8000 Cross-site scripting in the file manager · Advisory · contao/contao · GitHub
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Cross-site scripting in the file manager

Moderate
leofeyer published GHSA-v24p-7p4j-qvvf Apr 9, 2024

Package

composer contao/core-bundle (Composer)

Affected versions

>=4.0.0

Patched versions

4.13.40, 5.3.4

Description

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.

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

CVE ID

CVE-2024-28190

Weaknesses

No CWEs
0