CVE-2026-47344
TYPO3 HTML Sanitizer allows Cross-Site Scripting
Vexday Risk Score
8Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 2.1EPSS 0.3%KEV nãoPoC —Patch referenciado
Lifecycle
Jun 08, 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
When ALLOW_INSECURE_RAW_TEXT is enabled, whitespace-variant closing tags (e.g., </style\t>) are not recognized by the sanitizer but accepted by browsers as valid end tags, allowing subsequent content to escape sanitization. This allows bypassing the cross-site scripting prevention mechanism of typo3/html-sanitizer before version 2.3.2.
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Affected products
TYPO3 · HTML SanitizerWant to know if your infrastructure is exposed to this?
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