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GHSA-g4c9-qfvw-fmr4medium6.1No CVE assigned

TYPO3 Cross-Site Scripting in Backend Modal Component

Impact

Failing to properly encode user input, notifications shown in modal windows in the TYPO3 backend are vulnerable to cross-site scripting. A valid backend user account is needed in order to exploit this vulnerability.

Source excerpt · OSV

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

typo3/cms-core Packagist
Affected rangeRecorded fix
From 8.0.0 before 8.7.21Ecosystem versions8.7.21
From 9.0.0 before 9.5.2Ecosystem versions9.5.2
From 7.1.0 before 7.6.32Ecosystem versions7.6.32

Version evidence: OSV · GHSA-g4c9-qfvw-fmr4

View original version evidence (25 explicit versions)

Original source description

Failing to properly encode user input, notifications shown in modal windows in the TYPO3 backend are vulnerable to cross-site scripting. A valid backend user account is needed in order to exploit this vulnerability.

References