{"id":"CVE-2023-26149","aliases":["GHSA-jgw5-rp4p-qhp6"],"url":"https://o3.security/vulnerability/CVE-2023-26149","summary":"quill-mention Cross-site Scripting vulnerability","details":"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":"2023-09-28T05:00:02.741Z","modified":"2026-07-15T01:48:57.107339933Z","cvss":{"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/E:P"},"epss":null,"cisaKev":null,"exploitsKnown":2,"affectedPackages":[{"ecosystem":"npm","name":"quill-mention","fixedVersion":"4.0.0"}],"fix":{"url":"https://github.com/quill-mention/quill-mention/commit/e85262ddced0a7f0b6fc8350d236a68bd1e28385","label":"quill-mention/quill-mention@e85262d"},"references":[{"type":"WEB","url":"https://codepen.io/ALiangLiang/pen/mdQMJXK"},{"type":"WEB","url":"https://github.com/quill-mention/quill-mention/blob/0aa9847719257496b14ac5401872c4e2ffcbc3d1/src/quill.mention.js%23L391"},{"type":"WEB","url":"https://security.snyk.io/vuln/SNYK-JS-QUILLMENTION-5921549"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26149.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-26149"},{"type":"REPORT","url":"https://github.com/quill-mention/quill-mention/issues/255"},{"type":"FIX","url":"https://github.com/quill-mention/quill-mention/commit/e85262ddced0a7f0b6fc8350d236a68bd1e28385"},{"type":"FIX","url":"https://github.com/quill-mention/quill-mention/pull/341"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T01:48:57.107339933Z"}}