Linkify 4.3.1 – Prototype Pollution & HTML Attribute Injection (XSS)

CVE Details

Basic Information

Title Linkify 4.3.1 – Prototype Pollution & HTML Attribute Injection (XSS)
Type cve
Published 2025-07-25T21:52:47.287Z
Modified 2025-07-25T21:52:47.287Z

Product Information

Vendor Linkify
Product Linkify
Version 4.3.1

CVSS Information

Base Score 8.8 (HIGH)
Attack Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N

Affected Products

  • Linkify Linkify 4.3.1

Additional Information

CWE List CWE-1321
Source Fluid Attacks

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.

💭 Join the Security Discussion

🔒 Your email address will not be published. Required fields are marked *

⚠️ Please be respectful and constructive in your comments. Security discussions should remain professional.