| Package | Affected versions | Patched versions |
|---|---|---|
| concrete5/concrete5 | < 9.5.2 | 9.5.2 |
Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize() calls in the in Permission, Cache, and Search components. An unauthenticated attacker may trigger arbitrary PHP object instantiation if a malicious serialized payload has been placed in the database. Concrete CMS thanks XananasX7 for reporting this issue.
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