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.
Published: 2025-07-25
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-22758 Linkify Allows Prototype Pollution & HTML Attribute Injection (XSS)
Github GHSA Github GHSA GHSA-95jq-xph2-cx9h Linkify Allows Prototype Pollution & HTML Attribute Injection (XSS)
History

Wed, 03 Dec 2025 21:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:linkify:linkify:*:*:*:*:*:*:*:*

Tue, 29 Jul 2025 12:30:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 8.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L'}

threat_severity

Important


Mon, 28 Jul 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sat, 26 Jul 2025 12:00:00 +0000

Type Values Removed Values Added
First Time appeared Linkify
Linkify linkify
Vendors & Products Linkify
Linkify linkify

Fri, 25 Jul 2025 22:00:00 +0000

Type Values Removed Values Added
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.
Title Linkify 4.3.1 - Prototype Pollution & HTML Attribute Injection (XSS)
Weaknesses CWE-1321
References
Metrics cvssV4_0

{'score': 8.8, '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Fluid Attacks

Published:

Updated: 2025-12-03T21:04:19.184Z

Reserved: 2025-07-23T20:18:23.797Z

Link: CVE-2025-8101

cve-icon Vulnrichment

Updated: 2025-07-28T14:56:33.311Z

cve-icon NVD

Status : Deferred

Published: 2025-07-25T22:15:25.620

Modified: 2026-04-15T00:35:42.020

Link: CVE-2025-8101

cve-icon Redhat

Severity : Important

Publid Date: 2025-07-25T21:52:47Z

Links: CVE-2025-8101 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-07-26T11:55:07Z

Weaknesses