#VU89499 Cross-site scripting in TYPO3 - CVE-2024-34357
Published: May 15, 2024
TYPO3
TYPO3
Description
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in ShowImageController. A remote user can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Remediation
External links
- https://typo3.org/security/advisory/typo3-core-sa-2024-009
- https://github.com/TYPO3/typo3/commit/d774642381354d3bf5095a5a26e18acd2767f0b1
- https://github.com/TYPO3/typo3/commit/b31d05d1da3eeaeead2d19eb43b1c3f9c88e15ee
- https://github.com/TYPO3/typo3/commit/376474904f6b9a54dc1b785a2e45277cbd13b0d7
- https://github.com/TYPO3/typo3/security/advisories/GHSA-hw6c-6gwq-3m3m