CVE-2025-30083: Additional TCA Allows Cross-Site Scripting (XSS)

March 19, 2025

A cross-site scripting (XSS) vulnerability has been discovered in the Additional TCA extension. This vulnerabily is exploitable by a logged in backend user utilizing the TYPO3 backend user interface. This user can create output in the HTML context by exploiting improperly encoded user input. Updates 1.15.17 and 1.16.9 are available for download.

References

github.com/FriendsOfPHP/security-advisories/blob/master/codingms/additional-tca/CVE-2025-30083.yaml
github.com/advisories/GHSA-rrh3-cgmx-w62f
gitlab.com/codingms/typo3-public/additional_tca
nvd.nist.gov/vuln/detail/CVE-2025-30083
typo3.org/security/advisory/typo3-ext-sa-2025-002

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