{"url":"http://public2.vulnerablecode.io/api/packages/61019?format=json","purl":"pkg:npm/notevil@1.3.3","type":"npm","namespace":"","name":"notevil","version":"1.3.3","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":null,"latest_non_vulnerable_version":null,"affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/42727?format=json","vulnerability_id":"VCID-echx-vz3r-ryfq","summary":"Sandbox escape in notevil and argencoders-notevil\nThis affects all versions of package notevil; all versions of package argencoders-notevil. It is vulnerable to Sandbox Escape leading to Prototype pollution. The package fails to restrict access to the main context, allowing an attacker to add or modify an object's prototype. **Note:** This vulnerability derives from an incomplete fix in [SNYK-JS-NOTEVIL-608878](https://security.snyk.io/vuln/SNYK-JS-NOTEVIL-608878).","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-23771","reference_id":"","reference_type":"","scores":[{"value":"0.00304","scoring_system":"epss","scoring_elements":"0.53975","published_at":"2026-06-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-23771"},{"reference_url":"https://github.com/mmckegg/notevil","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/mmckegg/notevil"},{"reference_url":"https://snyk.io/vuln/SNYK-JS-ARGENCODERSNOTEVIL-2388587","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://snyk.io/vuln/SNYK-JS-ARGENCODERSNOTEVIL-2388587"},{"reference_url":"https://snyk.io/vuln/SNYK-JS-NOTEVIL-2385946","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://snyk.io/vuln/SNYK-JS-NOTEVIL-2385946"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23771","reference_id":"CVE-2021-23771","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23771"},{"reference_url":"https://github.com/advisories/GHSA-8g4m-cjm2-96wq","reference_id":"GHSA-8g4m-cjm2-96wq","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-8g4m-cjm2-96wq"}],"fixed_packages":[],"aliases":["CVE-2021-23771","GHSA-8g4m-cjm2-96wq"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-echx-vz3r-ryfq"}],"fixing_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/53476?format=json","vulnerability_id":"VCID-8bst-w9fp-7faa","summary":"Sandbox Breakout / Prototype Pollution in notevil\nVersions of `notevil` are vulnerable to Sandbox Escape leading to Prototype pollution. The package fails to restrict access to the main context, allowing attacker to add or modify an object's prototype.\n\nEvaluating the payload ```try{a[b];}catch(e){e.constructor.constructor('return __proto__.arguments.callee.__proto__.polluted=true')()}``` add the `polluted` property to Function.","references":[{"reference_url":"https://www.npmjs.com/advisories/1338","reference_id":"","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.npmjs.com/advisories/1338"},{"reference_url":"https://github.com/advisories/GHSA-9gxr-rhx6-4jgv","reference_id":"GHSA-9gxr-rhx6-4jgv","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-9gxr-rhx6-4jgv"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/61019?format=json","purl":"pkg:npm/notevil@1.3.3","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-echx-vz3r-ryfq"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/notevil@1.3.3"}],"aliases":["GHSA-9gxr-rhx6-4jgv","GMS-2020-411"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-8bst-w9fp-7faa"}],"risk_score":"3.1","resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/notevil@1.3.3"}