GHSA-cmwh-pvxp-8882

Low

GitHubfixedPATCH AVAILABLENot Available

Security vulnerability in dompurify

Description

DOMPurify: Permanent ALLOWED_ATTR pollution via setConfig() bypassing the hook clone-guard (incomplete fix of the 3.4.7 hook-pollution patch)

Impact Assessment

This low-severity vulnerability has limited impact but should still be addressed as part of regular security maintenance.

CVSS v3.1 Score

0.0

Quick Facts

PublishedJun 18, 2026

Last ModifiedJun 22, 2026

Discovered ByIndependent Security Researcher

Statusfixed

Attack Metrics

CVSS v3.1 Metrics Breakdown

attack Vector

attack Complexity

privileges Required

user Interaction

scope

Unchanged

confidentiality Impact

Medium

integrity Impact

Medium

availability Impact

Medium

Remediation Guide

How to Fix This Vulnerability

Remediation Steps

1Upgrade the package to version 3.4.11 or later
2Review and audit affected systems for potential exploitation
3Implement additional security controls if immediate patching is not possible
4Monitor for suspicious activity related to this vulnerability

Mitigation Strategies

Immediate Patching

High

Apply security patches to version 3.4.11 immediately

Network Segmentation

Medium

Isolate affected systems from untrusted networks until patching is complete

Monitoring and Detection

Medium

Implement enhanced monitoring for exploitation attempts and unusual behavior

Event History

Vulnerability Timeline

Vulnerability published

2026-06-18T14:27:37Z

published

Patches released: 3.4.11

2026-06-18T14:27:37Z

patched

▪ Common questions

How severe is GHSA-cmwh-pvxp-8882?

GHSA-cmwh-pvxp-8882 is rated LOW with a CVSS score of 0.

How do I fix GHSA-cmwh-pvxp-8882?

Upgrade the affected package to 3.4.11.

Back to All Vulnerabilities

GHSA-cmwh-pvxp-8882

Low

GitHubfixedPATCH AVAILABLENot Available

Security vulnerability in dompurify

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Description

DOMPurify: Permanent ALLOWED_ATTR pollution via setConfig() bypassing the hook clone-guard (incomplete fix of the 3.4.7 hook-pollution patch)

Impact Assessment

This low-severity vulnerability has limited impact but should still be addressed as part of regular security maintenance.

CVSS v3.1 Score

0.0

Quick Facts

PublishedJun 18, 2026

Last ModifiedJun 22, 2026

Discovered ByIndependent Security Researcher

Statusfixed

Attack Metrics

CVSS v3.1 Metrics Breakdown

attack Vector

attack Complexity

privileges Required

user Interaction

scope

Unchanged

confidentiality Impact

Medium

integrity Impact

Medium

availability Impact

Medium

Remediation Guide

How to Fix This Vulnerability

Remediation Steps

1Upgrade the package to version 3.4.11 or later
2Review and audit affected systems for potential exploitation
3Implement additional security controls if immediate patching is not possible
4Monitor for suspicious activity related to this vulnerability

Mitigation Strategies

Immediate Patching

High

Apply security patches to version 3.4.11 immediately

Network Segmentation

Medium

Isolate affected systems from untrusted networks until patching is complete

Monitoring and Detection

Medium

Implement enhanced monitoring for exploitation attempts and unusual behavior

Event History

Vulnerability Timeline

Vulnerability published

2026-06-18T14:27:37Z

published

Patches released: 3.4.11

2026-06-18T14:27:37Z

patched

▪ Common questions

How severe is GHSA-cmwh-pvxp-8882?

GHSA-cmwh-pvxp-8882 is rated LOW with a CVSS score of 0.

How do I fix GHSA-cmwh-pvxp-8882?

Upgrade the affected package to 3.4.11.

Back to All Vulnerabilities