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Database

Server side cross-site scripting In contao/core-bundle

Description

Contao: Cross site scripting in the file manager

Impact

Users can insert malicious code into file names when uploading files, which is then executed in tooltips and popups in the backend.

Patches

Update to Contao 4.13.40 or Contao 5.3.4.

Workarounds

Disable uploads for untrusted users.

References

https://contao.org/en/security-advisories/cross-site-scripting-in-the-file-manager

For more information

If you have any questions or comments about this advisory, open an issue in contao/contao.

Credits

Thanks to Alexander Wuttke for reporting this vulnerability.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem
Component
Affected version
Patched versions

Aliases

1. CVE-2024-281902. NVD-2024-281903. OSV-2024-281904. GHSA-v24p-7p4j-qvvf5. GCVE-2024-28190

References

1. https://github.com/contao/contao/security/advisories/GHSA-v24p-7p4j-qvvf2. https://github.com/contao/contao/commit/878d28dbe0f408740555d6fc8b634bd3f8febfce3. https://github.com/contao/contao/commit/b794e14fff070101bf6a885da9b1a83395093b4d4. https://contao.org/en/security-advisories/cross-site-scripting-in-the-file-manager

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