CVE-2010-5098: Cross-site scripting (XSS) vulnerability in the FORM content object in TYPO3 4.2.x before 4.2.16, 4.3.x bef...

Security readout for executives and security teams

This is an authenticated cross-site scripting issue in older TYPO3 releases. A logged-in remote user could inject script or HTML through the FORM content object. The available sources do not describe the exact input path, so exposure depends on whether affected TYPO3 versions and that content object are present. Likely exposure is limited to organizations still running the listed TYPO3 4.2, 4.3, or 4.4 versions with authenticated users able to interact with FORM content. Public internet exposure increases business impact if injected content reaches administrators, editors, or site visitors. Prioritize remediation when affected TYPO3 instances are internet-facing or have multiple editor accounts. This is not supported by active-exploitation evidence in the bundle, but authenticated XSS in a CMS can still create meaningful account and content integrity risk. Mitigation focus: Upgrade TYPO3 to 4.2.16, 4.3.9, 4.4.5, or a later fixed version.; Review TYPO3-SA-2010-022 and follow vendor guidance for branch-specific fixes.; Restrict content editing access to trusted users until affected systems are remediated..

Prepared

Jun 24, 2026, 12:34 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.