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. **Note:** If the mentions list is sourced from unsafe (user-sourced) data, this might allow an injection attack when a Quill user hits @.
Remediation
References
https://codepen.io/ALiangLiang/pen/mdQMJXK
https://github.com/quill-mention/quill-mention/blob/0aa9847719257496b14ac5401872c4e2ffcbc3d1/src/quill.mention.js%23L391
https://github.com/quill-mention/quill-mention/commit/e85262ddced0a7f0b6fc8350d236a68bd1e28385
https://github.com/quill-mention/quill-mention/issues/255
https://github.com/quill-mention/quill-mention/pull/341
https://security.snyk.io/vuln/SNYK-JS-QUILLMENTION-5921549
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