{"url":"http://public2.vulnerablecode.io/api/packages/68126?format=json","purl":"pkg:gem/phlex@1.9.1","type":"gem","namespace":"","name":"phlex","version":"1.9.1","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"1.11.1","latest_non_vulnerable_version":"2.4.1","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/22465?format=json","vulnerability_id":"VCID-85dg-y8nr-n3b9","summary":"Phlex XSS protection bypass via attribute splatting, dynamic tags, and href values\nDuring a security audit conducted with Claude Opus 4.6 and GPT-5.3-Codex, we identified three specific ways to bypass the XSS (cross-site-scripting) protection built into Phlex.\n\n1. The first bypass could happen if user-provided attributes with string keys were splatted into HTML tag, e.g. `div(**user_attributes)`.\n2. The second bypass could happen if user-provided tag names were passed to the `tag` method, e.g. `tag(some_tag_name_from_user)`.\n3. The third bypass could happen if user’s links were passed to `href` attributes, e.g. `a(href: user_provided_link)`.\n\nAll three of these patterns are meant to be safe and all have now been patched.","references":[{"reference_url":"https://github.com/yippee-fun/phlex","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/yippee-fun/phlex"},{"reference_url":"https://github.com/yippee-fun/phlex/commit/1d85da417cb15eb8cb2f54a68d531c9b35d9d03a","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/yippee-fun/phlex/commit/1d85da417cb15eb8cb2f54a68d531c9b35d9d03a"},{"reference_url":"https://github.com/yippee-fun/phlex/commit/556441d5a64ff93f749e8116a05b2d97264468ee","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/yippee-fun/phlex/commit/556441d5a64ff93f749e8116a05b2d97264468ee"},{"reference_url":"https://github.com/yippee-fun/phlex/commit/74e3d8610ffabc2cf5f241945e9df4b14dceb97d","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/yippee-fun/phlex/commit/74e3d8610ffabc2cf5f241945e9df4b14dceb97d"},{"reference_url":"https://github.com/yippee-fun/phlex/commit/9f56ad13bea9a7d6117fdfd510446c890709eeac","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/yippee-fun/phlex/commit/9f56ad13bea9a7d6117fdfd510446c890709eeac"},{"reference_url":"https://github.com/yippee-fun/phlex/commit/fe9ea708672f9fa42526d9b47e1cdc4634860ef1","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/yippee-fun/phlex/commit/fe9ea708672f9fa42526d9b47e1cdc4634860ef1"},{"reference_url":"https://github.com/advisories/GHSA-w67g-2h6v-vjgq","reference_id":"GHSA-w67g-2h6v-vjgq","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-w67g-2h6v-vjgq"},{"reference_url":"https://github.com/yippee-fun/phlex/security/advisories/GHSA-w67g-2h6v-vjgq","reference_id":"GHSA-w67g-2h6v-vjgq","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3","scoring_elements":""},{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/yippee-fun/phlex/security/advisories/GHSA-w67g-2h6v-vjgq"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/72716?format=json","purl":"pkg:gem/phlex@1.11.1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/phlex@1.11.1"},{"url":"http://public2.vulnerablecode.io/api/packages/72715?format=json","purl":"pkg:gem/phlex@2.0.2","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-85dg-y8nr-n3b9"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/phlex@2.0.2"},{"url":"http://public2.vulnerablecode.io/api/packages/72714?format=json","purl":"pkg:gem/phlex@2.1.3","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/phlex@2.1.3"},{"url":"http://public2.vulnerablecode.io/api/packages/72713?format=json","purl":"pkg:gem/phlex@2.2.2","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/phlex@2.2.2"},{"url":"http://public2.vulnerablecode.io/api/packages/72712?format=json","purl":"pkg:gem/phlex@2.3.2","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/phlex@2.3.2"},{"url":"http://public2.vulnerablecode.io/api/packages/72710?format=json","purl":"pkg:gem/phlex@2.4.0.beta1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-85dg-y8nr-n3b9"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/phlex@2.4.0.beta1"},{"url":"http://public2.vulnerablecode.io/api/packages/72711?format=json","purl":"pkg:gem/phlex@2.4.1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/phlex@2.4.1"}],"aliases":["GHSA-w67g-2h6v-vjgq"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-85dg-y8nr-n3b9"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/19924?format=json","vulnerability_id":"VCID-chd9-zt4b-3fey","summary":"Cross-site Scripting (XSS) possible due to improper sanitisation of `href` attributes on `<a>` tags\nThere is a potential cross-site scripting (XSS) vulnerability that can be exploited via maliciously crafted user data.\n\nOur filter to detect and prevent the use of the `javascript:` URL scheme in the `href` attribute of an `<a>` tag could be bypassed with tab `\\t` or newline `\\n` characters between the characters of the protocol, e.g. `java\\tscript:`.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2024-32463","reference_id":"","reference_type":"","scores":[{"value":"0.00179","scoring_system":"epss","scoring_elements":"0.3925","published_at":"2026-05-30T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2024-32463"},{"reference_url":"https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-23T18:58:58Z/"}],"url":"https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy"},{"reference_url":"https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy#unsafe-inline","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-23T18:58:58Z/"}],"url":"https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy#unsafe-inline"},{"reference_url":"https://github.com/phlex-ruby/phlex","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/phlex-ruby/phlex"},{"reference_url":"https://github.com/phlex-ruby/phlex/commit/9e3f5b980655817993682e409cbda72956d865cb","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-23T18:58:58Z/"}],"url":"https://github.com/phlex-ruby/phlex/commit/9e3f5b980655817993682e409cbda72956d865cb"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2024-32463","reference_id":"CVE-2024-32463","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-32463"},{"reference_url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/phlex/CVE-2024-32463.yml","reference_id":"CVE-2024-32463.YML","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/phlex/CVE-2024-32463.yml"},{"reference_url":"https://github.com/advisories/GHSA-g7xq-xv8c-h98c","reference_id":"GHSA-g7xq-xv8c-h98c","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-g7xq-xv8c-h98c"},{"reference_url":"https://github.com/phlex-ruby/phlex/security/advisories/GHSA-g7xq-xv8c-h98c","reference_id":"GHSA-g7xq-xv8c-h98c","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3","scoring_elements":""},{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-23T18:58:58Z/"}],"url":"https://github.com/phlex-ruby/phlex/security/advisories/GHSA-g7xq-xv8c-h98c"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/68625?format=json","purl":"pkg:gem/phlex@1.9.2","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-85dg-y8nr-n3b9"},{"vulnerability":"VCID-rnfm-q1jm-jyf2"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/phlex@1.9.2"},{"url":"http://public2.vulnerablecode.io/api/packages/68624?format=json","purl":"pkg:gem/phlex@1.10.1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-85dg-y8nr-n3b9"},{"vulnerability":"VCID-rnfm-q1jm-jyf2"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/phlex@1.10.1"}],"aliases":["CVE-2024-32463","GHSA-g7xq-xv8c-h98c"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-chd9-zt4b-3fey"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/19651?format=json","vulnerability_id":"VCID-ec9a-dkz3-ebat","summary":"Cross-site Scripting (XSS) possible with maliciously formed HTML attribute names and values in Phlex\nThere is a potential cross-site scripting (XSS) vulnerability that can be exploited via maliciously crafted user data. This was due to improper case-sensitivity in the code that was meant to prevent these attacks.\n\n### Impact\n\nIf you render an `<a>` tag with an `href` attribute set to a user-provided link, that link could potentially execute JavaScript when clicked by another user.\n\n```ruby\na(href: user_profile) { \"Profile\" }\n```\n\nIf you splat user-provided attributes when rendering any HTML or SVG tag, malicious event attributes could be included in the output, executing JavaScript when the events are triggered by another user.\n\n```ruby\nh1(**JSON.parse(user_attributes))\n```\n\n### Patches\nPatches are [available on RubyGems](https://rubygems.org/gems/phlex) for all `1.x` minor versions. The patched versions are:\n\n- [1.9.1](https://rubygems.org/gems/phlex/versions/1.9.1)\n- [1.8.2](https://rubygems.org/gems/phlex/versions/1.8.2)\n- [1.7.1](https://rubygems.org/gems/phlex/versions/1.7.1)\n- [1.6.2](https://rubygems.org/gems/phlex/versions/1.6.2)\n- [1.5.2](https://rubygems.org/gems/phlex/versions/1.5.2)\n- [1.4.1](https://rubygems.org/gems/phlex/versions/1.4.1)\n- [1.3.3](https://rubygems.org/gems/phlex/versions/1.3.3)\n- [1.2.2](https://rubygems.org/gems/phlex/versions/1.2.2)\n- [1.1.1](https://rubygems.org/gems/phlex/versions/1.1.1)\n- [1.0.1](https://rubygems.org/gems/phlex/versions/1.0.1)\n\nIf you are on `main`, it has been patched since [`aa50c60`](https://github.com/phlex-ruby/phlex/commit/aa50c604cdee1d0ce7ef068a4c66cbd5d43f96a1)\n\n### Workarounds\nConfiguring a [Content Security Policy](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy) that does not allow [`unsafe-inline`](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy#unsafe-inline) would effectively prevent this vulnerability from being exploited.\n\n### References\n\nIn addition to upgrading to a patched version of Phlex, we strongly recommend configuring a Content Security Policy header that does not allow `unsafe-inline`. Here’s how you can configure a Content Security Policy header in Rails. 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Scripting (XSS) possible with maliciously formed HTML attribute names and values in Phlex\nThere is a potential cross-site scripting (XSS) vulnerability that can be exploited via maliciously crafted user data. This was due to improper case-sensitivity in the code that was meant to prevent these attacks.\n\n### Impact\n\nIf you render an `<a>` tag with an `href` attribute set to a user-provided link, that link could potentially execute JavaScript when clicked by another user.\n\n```ruby\na(href: user_profile) { \"Profile\" }\n```\n\nIf you splat user-provided attributes when rendering any HTML or SVG tag, malicious event attributes could be included in the output, executing JavaScript when the events are triggered by another user.\n\n```ruby\nh1(**JSON.parse(user_attributes))\n```\n\n### Patches\nPatches are [available on RubyGems](https://rubygems.org/gems/phlex) for all `1.x` minor versions. The patched versions are:\n\n- [1.9.1](https://rubygems.org/gems/phlex/versions/1.9.1)\n- [1.8.2](https://rubygems.org/gems/phlex/versions/1.8.2)\n- [1.7.1](https://rubygems.org/gems/phlex/versions/1.7.1)\n- [1.6.2](https://rubygems.org/gems/phlex/versions/1.6.2)\n- [1.5.2](https://rubygems.org/gems/phlex/versions/1.5.2)\n- [1.4.1](https://rubygems.org/gems/phlex/versions/1.4.1)\n- [1.3.3](https://rubygems.org/gems/phlex/versions/1.3.3)\n- [1.2.2](https://rubygems.org/gems/phlex/versions/1.2.2)\n- [1.1.1](https://rubygems.org/gems/phlex/versions/1.1.1)\n- [1.0.1](https://rubygems.org/gems/phlex/versions/1.0.1)\n\nIf you are on `main`, it has been patched since [`aa50c60`](https://github.com/phlex-ruby/phlex/commit/aa50c604cdee1d0ce7ef068a4c66cbd5d43f96a1)\n\n### Workarounds\nConfiguring a [Content Security Policy](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy) that does not allow [`unsafe-inline`](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy#unsafe-inline) would effectively prevent this vulnerability from being exploited.\n\n### References\n\nIn addition to upgrading to a patched version of Phlex, we strongly recommend configuring a Content Security Policy header that does not allow `unsafe-inline`. Here’s how you can configure a Content Security Policy header in Rails. 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