{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/63277?format=json","vulnerability_id":"VCID-wzt1-wzps-kqbr","summary":"Limitations on the URIs allowed to WebExtensions by the browser.windows.create API can be bypassed when a pipe in the URL field is used within the extension to load multiple pages as a single argument. This could allow a malicious WebExtension to opened privileged about: or file: locations.","aliases":[{"alias":"CVE-2018-18497"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/371398?format=json","purl":"pkg:alpm/archlinux/firefox@64.0-1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/firefox@64.0-1"},{"url":"http://public2.vulnerablecode.io/api/packages/1112518?format=json","purl":"pkg:deb/debian/firefox@150.0.3-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@150.0.3-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/583567?format=json","purl":"pkg:deb/debian/firefox@64.0-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@64.0-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/582059?format=json","purl":"pkg:deb/debian/firefox@149.0-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@149.0-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/1059611?format=json","purl":"pkg:deb/debian/firefox@149.0.2-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@149.0.2-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/1076056?format=json","purl":"pkg:deb/debian/firefox@150.0-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@150.0-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/1088670?format=json","purl":"pkg:deb/debian/firefox@150.0.1-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@150.0.1-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/1105248?format=json","purl":"pkg:deb/debian/firefox@150.0.2-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@150.0.2-1%3Fdistro=sid"}],"affected_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/371397?format=json","purl":"pkg:alpm/archlinux/firefox@63.0.3-1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-9h4y-xcex-1fch"},{"vulnerability":"VCID-cszr-1fu2-6be5"},{"vulnerability":"VCID-ka9x-22be-p7aw"},{"vulnerability":"VCID-n1v6-q6wt-ebaj"},{"vulnerability":"VCID-qvqm-n242-vyea"},{"vulnerability":"VCID-skbg-e4em-bkaw"},{"vulnerability":"VCID-vnmz-2agw-k3fg"},{"vulnerability":"VCID-wzt1-wzps-kqbr"},{"vulnerability":"VCID-yq6p-sv1g-m3bj"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/firefox@63.0.3-1"}],"references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-18497.json","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-18497.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2018-18497","reference_id":"","reference_type":"","scores":[{"value":"0.00217","scoring_system":"epss","scoring_elements":"0.44266","published_at":"2026-04-01T12:55:00Z"},{"value":"0.00217","scoring_system":"epss","scoring_elements":"0.44091","published_at":"2026-05-12T12:55:00Z"},{"value":"0.00217","scoring_system":"epss","scoring_elements":"0.44151","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00217","scoring_system":"epss","scoring_elements":"0.44029","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00217","scoring_system":"epss","scoring_elements":"0.44106","published_at":"2026-05-07T12:55:00Z"},{"value":"0.00217","scoring_system":"epss","scoring_elements":"0.44124","published_at":"2026-05-09T12:55:00Z"},{"value":"0.00217","scoring_system":"epss","scoring_elements":"0.44062","published_at":"2026-05-11T12:55:00Z"},{"value":"0.00217","scoring_system":"epss","scoring_elements":"0.44338","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00217","scoring_system":"epss","scoring_elements":"0.4436","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00217","scoring_system":"epss","scoring_elements":"0.44297","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00217","scoring_system":"epss","scoring_elements":"0.44349","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00217","scoring_system":"epss","scoring_elements":"0.44354","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00217","scoring_system":"epss","scoring_elements":"0.44372","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00217","scoring_system":"epss","scoring_elements":"0.4434","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00217","scoring_system":"epss","scoring_elements":"0.44339","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00217","scoring_system":"epss","scoring_elements":"0.44395","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00217","scoring_system":"epss","scoring_elements":"0.44386","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00217","scoring_system":"epss","scoring_elements":"0.44316","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00217","scoring_system":"epss","scoring_elements":"0.44229","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00217","scoring_system":"epss","scoring_elements":"0.44232","published_at":"2026-04-26T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2018-18497"},{"reference_url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1488180","reference_id":"","reference_type":"","scores":[],"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1488180"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"3.3","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://www.mozilla.org/security/advisories/mfsa2018-29/","reference_id":"","reference_type":"","scores":[],"url":"https://www.mozilla.org/security/advisories/mfsa2018-29/"},{"reference_url":"http://www.securityfocus.com/bid/106167","reference_id":"","reference_type":"","scores":[],"url":"http://www.securityfocus.com/bid/106167"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=1696112","reference_id":"1696112","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1696112"},{"reference_url":"https://security.archlinux.org/ASA-201812-9","reference_id":"ASA-201812-9","reference_type":"","scores":[],"url":"https://security.archlinux.org/ASA-201812-9"},{"reference_url":"https://security.archlinux.org/AVG-833","reference_id":"AVG-833","reference_type":"","scores":[{"value":"Critical","scoring_system":"archlinux","scoring_elements":""}],"url":"https://security.archlinux.org/AVG-833"},{"reference_url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*","reference_id":"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*"},{"reference_url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*","reference_id":"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*"},{"reference_url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","reference_id":"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*"},{"reference_url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","reference_id":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*"},{"reference_url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*","reference_id":"cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2018-18497","reference_id":"CVE-2018-18497","reference_type":"","scores":[{"value":"4.3","scoring_system":"cvssv2","scoring_elements":"AV:N/AC:M/Au:N/C:P/I:N/A:N"},{"value":"6.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-18497"},{"reference_url":"https://www.mozilla.org/en-US/security/advisories/mfsa2018-29","reference_id":"mfsa2018-29","reference_type":"","scores":[{"value":"critical","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2018-29"},{"reference_url":"https://usn.ubuntu.com/3844-1/","reference_id":"USN-3844-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/3844-1/"}],"weaknesses":[{"cwe_id":20,"name":"Improper Input Validation","description":"The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly."},{"cwe_id":59,"name":"Improper Link Resolution Before File Access ('Link Following')","description":"The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource."},{"cwe_id":270,"name":"Privilege Context Switching Error","description":"The product does not properly manage privileges while it is switching between different contexts that have different privileges or spheres of control."},{"cwe_id":552,"name":"Files or Directories Accessible to External Parties","description":"The product makes files or directories accessible to unauthorized actors, even though they should not be."}],"exploits":[],"severity_range_score":"3.3 - 10.0","exploitability":"0.5","weighted_severity":"9.0","risk_score":4.5,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-wzt1-wzps-kqbr"}