critical9.2
CVE-2026-46725
The extension passes an attacker-controlled cookie directly to PHP's unserialize() without safely processing the input.
Impact
The 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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | mmc/ceselector | >= 6.0.0, < 6.0.1 | 6.0.1 |