Search/CVE-2026-65903
● CVE — Medium

CVE-2026-65903

Vendorcure53ProductdompurifyDiscoveredJul 23, 2026UpdatedOct 24, 2026

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.

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CVSS v3.1
6.1 MEDIUM
EPSS
0.33%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeCHANGED
ConfidentialityLOW
IntegrityLOW
AvailabilityNONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Connections
2 relationships
Timeline
disclosure → media coverage
Jul 23, 2026
Disclosure — published as a CVE record. · last revised by NVD Oct 24, 2026