{"id":"CVE-2023-26149","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-26149","generatedAt":"2026-10-28T08:27:31.947Z","title":"Versions of the package quill-mention before 4.0.0 are vulnerable to Cross-site Scripting (XSS) due to improper user-input sanitization, via the renderList function. **Note:** If the mentions list is sourced from unsafe (user-sourced) data, this might…","description":"Versions of the package quill-mention before 4.0.0 are vulnerable to Cross-site Scripting (XSS) due to improper user-input sanitization, via the renderList function. \r\r**Note:**\r\rIf the mentions list is sourced from unsafe (user-sourced) data, this might allow an injection attack when a Quill user hits @.","published":"2023-09-28T05:15:46.000Z","lastModified":"2026-06-17T05:42:47.000Z","status":"Modified","sourceIdentifier":"report@snyk.io","cvss":{"version":"3.1","score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":["quill-mention/quill mention"],"epss":{"score":0.00708,"percentile":0.53266,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.71%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://codepen.io/ALiangLiang/pen/mdQMJXK","tags":["Exploit"],"source":"report@snyk.io"},{"url":"https://github.com/quill-mention/quill-mention/blob/0aa9847719257496b14ac5401872c4e2ffcbc3d1/src/quill.mention.js%23L391","tags":["Broken Link"],"source":"report@snyk.io"},{"url":"https://github.com/quill-mention/quill-mention/commit/e85262ddced0a7f0b6fc8350d236a68bd1e28385","tags":["Patch"],"source":"report@snyk.io"},{"url":"https://github.com/quill-mention/quill-mention/issues/255","tags":["Exploit","Issue Tracking"],"source":"report@snyk.io"},{"url":"https://github.com/quill-mention/quill-mention/pull/341","tags":["Issue Tracking","Patch"],"source":"report@snyk.io"},{"url":"https://security.snyk.io/vuln/SNYK-JS-QUILLMENTION-5921549","tags":["Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://codepen.io/ALiangLiang/pen/mdQMJXK","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/quill-mention/quill-mention/blob/0aa9847719257496b14ac5401872c4e2ffcbc3d1/src/quill.mention.js%23L391","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/quill-mention/quill-mention/commit/e85262ddced0a7f0b6fc8350d236a68bd1e28385","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/quill-mention/quill-mention/issues/255","tags":["Exploit","Issue Tracking"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/quill-mention/quill-mention/pull/341","tags":["Issue Tracking","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.snyk.io/vuln/SNYK-JS-QUILLMENTION-5921549","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-26149","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}