CVE-2009-3633: TYPO3

Medium severity, CVSS 4.3. EPSS: 1% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in the t3lib_div::quoteJSvalue API function in TYPO3 4.0.13 and earlier, 4.1.x before 4.1.13, 4.2.x before 4.2.10, and 4.3.x before 4.3beta2 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors related to the sanitizing algorithm.

Affected products

• TYPO3 TYPO3: up to and including 4.0.12; version 0.1.2 only; version 1.0.14 only; version 1.1 only; version 1.1.1 only; version 1.1.09 only; …

Published 2009-11-02. Last modified 2026-06-16.