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EUVD-2026-325667

fkie_cve-2026-47344

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.

GHSA-jvf5-rxvv-3mcg — TYPO3 HTML Sanitizer allows Cross-site Scripting

Affected: Packagist: typo3/html-sanitizer

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.

Credits to IPC Labs for reporting this vulnerability.

WID-SEC-W-2026-1835 — TYPO3 Core: Mehrere Schwachstellen

Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in TYPO3 Core ausnutzen, um Sicherheitsbeschränkungen zu umgehen, Benutzer auf schädliche Websites umzuleiten, beliebigen Code auszuführen, Berechtigungen zu eskalieren oder andere Auswirkungen zu verursachen.