5.4 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
0.0004 Low
EPSS
Percentile
15.7%
Users can insert malicious code into file names when uploading files, which is then executed in tooltips and popups in the backend.
Update to Contao 4.13.40 or Contao 5.3.4.
Disable uploads for untrusted users.
https://contao.org/en/security-advisories/cross-site-scripting-in-the-file-manager
If you have any questions or comments about this advisory, open an issue in contao/contao.
Thanks to Alexander Wuttke for reporting this vulnerability.
contao.org/en/security-advisories/cross-site-scripting-in-the-file-manager
github.com/contao/contao
github.com/contao/contao/commit/878d28dbe0f408740555d6fc8b634bd3f8febfce
github.com/contao/contao/commit/b794e14fff070101bf6a885da9b1a83395093b4d
github.com/contao/contao/security/advisories/GHSA-v24p-7p4j-qvvf
nvd.nist.gov/vuln/detail/CVE-2024-28190