| Package | Affected versions | Patched versions |
|---|---|---|
| mmc/ceselector | ≥ 4.0.0, < 4.0.2≥ 5.0.0, < 5.0.1≥ 6.0.0, < 6.0.1< 3.0.3 | 4.0.25.0.16.0.13.0.3 |
The TYPO3 "Content Element Selector" (ceselector) extension passes an attacker-controlled cookie directly to PHP's unserialize() without safely processing the input. A remote, unauthenticated attacker can supply a crafted serialized payload to trigger PHP Object Injection, leading to Remote Code Execution on the TYPO3 server. Exploitation requires the content element to be configured with Persistent Mode: Static in the plugin settings. This has been patched in version 3.0.3, 4.0.2, 5.0.1, and 6.0.1.
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