Impact
Attackers can deserialize arbitrary data on affected versions of melisplatform/melis-cms, and ultimately leads to the execution of arbitrary PHP code on the system. Conducting this attack does not require authentication.
Users should immediately upgrade to melisplatform/melis-cms >= 5.0.1.
Patches
This issue was addressed by restricting allowed classes when deserializing user-controlled data.
References
For more information
If you have any questions or comments about this advisory, you can contact:
- The original reporters, by sending an email to vulnerability.research [at] sonarsource.com;
- The maintainers, by opening an issue on this repository.
Impact
Attackers can deserialize arbitrary data on affected versions of
melisplatform/melis-cms, and ultimately leads to the execution of arbitrary PHP code on the system. Conducting this attack does not require authentication.Users should immediately upgrade to
melisplatform/melis-cms>= 5.0.1.Patches
This issue was addressed by restricting allowed classes when deserializing user-controlled data.
References
For more information
If you have any questions or comments about this advisory, you can contact: