CVE-2025-8101

High

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.

SeverityHigh

CVSS8.8

Exploit probability—

ProductLinkifyjs

PublishedJul 25, 2025

First seenJul 25, 2025

Weakness typeCWE-1321Prototype pollution

How to fix

Update

linkifyjs4.3.2 or later

Patches

github.com/nfrasser/linkifyjs/releases/tag/v4.3.2

Affected products

Product	Affected versions	Fixed in
linkifyjsnpm	4.3.1 ≤ v < 4.3.2	4.3.2

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