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Dompurify CVE-2025-26791

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2025-02-14 cve@mitre.org
4.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
4.5 MEDIUM
AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
SUSE
MEDIUM
qualitative
Red Hat
4.5 MEDIUM
qualitative

Primary rating from NVD.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

4
Analysis Generated
Mar 28, 2026 - 18:26 vuln.today
Patch released
Mar 28, 2026 - 18:26 nvd
Patch available
PoC Detected
Oct 07, 2025 - 20:56 vuln.today
Public exploit code
CVE Published
Feb 14, 2025 - 09:15 nvd
MEDIUM 4.5

Blast Radius

ecosystem impact
† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth
  • 240 npm packages depend on dompurify (74 direct, 171 indirect)

Ecosystem-wide dependent count for version 3.2.4.

DescriptionCVE.org

DOMPurify before 3.2.4 has an incorrect template literal regular expression, sometimes leading to mutation cross-site scripting (mXSS).

AnalysisAI

DOMPurify before 3.2.4 has an incorrect template literal regular expression, sometimes leading to mutation cross-site scripting (mXSS). Rated medium severity (CVSS 4.5), this vulnerability is no authentication required. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. DOMPurify before 3.2.4 has an incorrect template literal regular expression, sometimes leading to mutation cross-site scripting (mXSS). Affected products include: Cure53 Dompurify. Version information: before 3.2.4.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

CVE-2024-47875 MEDIUM POC
6.1 Oct 11

DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. Rated medium severity (CVSS 6

CVE-2020-26870 MEDIUM POC
6.1 Oct 07

Cure53 DOMPurify before 2.0.17 allows mutation XSS. Rated medium severity (CVSS 6.1), this vulnerability is remotely exp

CVE-2019-16728 MEDIUM POC
6.1 Sep 24

DOMPurify before 2.0.1 allows XSS because of innerHTML mutation XSS (mXSS) for an SVG element or a MATH element, as demo

CVE-2024-48910 CRITICAL
9.8 Oct 31

DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. Rated critical severity (CVSS

CVE-2026-65914 MEDIUM POC
5.3 Jul 23

Mutation-XSS in DOMPurify before 3.3.2 enables JavaScript execution in victim browsers when sanitized output is re-inser

CVE-2026-65902 MEDIUM POC
5.3 Jul 23

Hook mutation pollution in DOMPurify <= 3.4.5 allows persistent bypass of HTML sanitization defaults when application-in

CVE-2026-65899 MEDIUM POC
5.1 Jul 23

Trusted Types policy state contamination in DOMPurify 3.0.0-3.4.8 allows a previously supplied TRUSTED_TYPES_POLICY to s

CVE-2026-65913 MEDIUM POC
5.1 Jul 23

Prototype pollution in DOMPurify's USE_PROFILES mode enables DOM-based XSS by causing the sanitizer to accept event hand

CVE-2026-65912 MEDIUM POC
5.1 Jul 23

URI validation bypass in DOMPurify 3.3.1 and earlier allows `javascript:` protocol payloads to survive HTML sanitization

CVE-2026-65900 MEDIUM POC
5.1 Jul 23

SAFE_FOR_TEMPLATES bypass in DOMPurify 3.0.0-3.4.7 allows template expressions such as ${evil}, {{evil}}, and <%evil%> t

CVE-2026-65901 MEDIUM POC
5.1 Jul 23

Cross-site scripting in DOMPurify 3.4.6 and earlier enables script execution when the library's IN_PLACE sanitization mo

CVE-2026-65898 MEDIUM POC
5.1 Jul 23

Stored XSS is achievable in applications using DOMPurify's setConfig() API combined with an uponSanitizeAttribute hook t

Vendor StatusVendor

SUSE

Severity: Medium
Product Status
openSUSE Tumbleweed Fixed
SUSE Linux Enterprise Server 16.0 Fixed
SUSE Linux Enterprise Server 16.1 Fixed
SUSE Linux Enterprise Server for SAP applications 16.0 Fixed
SUSE Linux Enterprise Server for SAP applications 16.1 Fixed

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CVE-2025-26791 vulnerability details – vuln.today

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