CVE-2025-8101: Linkify Allows Prototype Pollution & HTML Attribute Injection (XSS)
(updated )
Prototype Pollution in internal assign() helper in Linkify allows remote attackers to execute arbitrary JavaScript (Stored or Reflected XSS) via injection of event handlers through unfiltered proto property. This issue affects Linkify version 4.3.1 and is fixed in 4.3.2.
References
- caverav.cl/posts/linkify-xss/linkify-xss
- fluidattacks.com/advisories/charly
- github.com/advisories/GHSA-95jq-xph2-cx9h
- github.com/nfrasser/linkifyjs
- github.com/nfrasser/linkifyjs/commit/931d3e28b68951b8f898ea4d6504696346b485b0
- github.com/nfrasser/linkifyjs/releases/tag/v4.3.2
- nvd.nist.gov/vuln/detail/CVE-2025-8101
- www.npmjs.com/package/linkifyjs
Code Behaviors & Features
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