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CVE-2026-65903

nvd nist
Published: Jul 23, 2026Modified: Jul 28, 2026

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5.1
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less
Source: disclosure@vulncheck.com (Secondary)

Description

DOMPurify before 3.4.0 contains a logic error in the ADD_TAGS function where short-circuit evaluation allows forbidden tags to bypass FORBID_TAGS restrictions. Attackers can craft input containing tags listed in FORBID_TAGS that are also added via ADD_TAGS function, causing them to be retained in sanitized output.

Affected (1)

Products: Cure53: Dompurify
Cure53
1 product
Dompurify
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Dompurify
Before 3.4.0

Related CWEs

CWE-697
Incorrect Comparison
The product compares two entities in a security-relevant context, but the comparison is incorrect, which may lead to resultant weaknesses.

References (2)

Source: disclosure@vulncheck.com
ExploitThird Party Advisory
Source: disclosure@vulncheck.com
Third Party Advisory

Timeline

No history available yet.