Linkify Allows Prototype Pollution & HTML Attribute Injection (XSS)

Description

Improperly Controlled Modification of Object Prototype Attributes (‘Prototype Pollution’) vulnerability in Linkify (linkifyjs) allows XSS Targeting HTML Attributes and Manipulating User-Controlled Variables.This issue affects Linkify: from 4.3.1 before 4.3.2.

Recommendation

Update the linkifyjs package to the latest compatible version. Followings are version details:

• Affected version(s): < 4.3.2
• Patched version(s): 4.3.2

References

• GHSA-95jq-xph2-cx9h
• fluidattacks.com
• www.npmjs.com
• CVE-2025-8101
• CWE-1321
• CAPEC-310
• OWASP 2021-A6

Related Issues

• Nuxt has Client-Side Path Traversal in Nuxt Island Payload Revival - CVE-2025-59414
• Marked allows Regular Expression Denial of Service (ReDoS) attacks - CVE-2018-25110
• tarteaucitron.js allows url scheme injection via unfiltered inputs - CVE-2025-31476
• bootstrap Cross-site Scripting vulnerability (GHSA-ph58-4vrj-w6hr) - CVE-2018-20677

Tags:

npm

linkifyjs