CVE-2025-8101
July 25, 2025
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.
Affected Packages
https://github.com/nfrasser/linkifyjs.git (GITHUB):
Affected version(s) =v4.3.1 <v4.3.2Fix Suggestion:
Update to version v4.3.2linkifyjs (NPM):
Affected version(s) >=2.0.0-alpha.3 <4.3.2Fix Suggestion:
Update to version 4.3.2linkifyjs (NPM):
Affected version(s) >=2.0.0-alpha.3 <4.3.2Fix Suggestion:
Update to version 4.3.2Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
HIGH
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.6
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
LOW
Weakness Type (CWE)
Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
EPSS
Base Score:
0.12
