CVE-2025-26791

State: Published
Severity: 4.5 Medium
Published: Feb 14, 2025
Updated: Feb 14, 2025
Reserved: Feb 14, 2025

Description

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

Scores

CVSS	Score	Vector	Source
3.1	4.5 Medium	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N	mitre

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Affected Products

Product	Versions
DOMPurifyCure53	before 3.2.4Affected

References

https://github.com/cure53/DOMPurify/releases/tag/3.2.4
https://github.com/cure53/DOMPurify/commit/d18ffcb554e0001748865da03ac75dd7829f0f02
https://nsysean.github.io/posts/dompurify-323-bypass/
https://ensy.zip/posts/dompurify-323-bypass/

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