Critical severityNVD Advisory· Published May 19, 2026· Updated Jun 17, 2026
CVE-2026-46725
CVE-2026-46725
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
mmc/ceselectorPackagist | >= 6.0.0, < 6.0.1 | 6.0.1 |
mmc/ceselectorPackagist | >= 5.0.0, < 5.0.1 | 5.0.1 |
mmc/ceselectorPackagist | >= 4.0.0, < 4.0.2 | 4.0.2 |
mmc/ceselectorPackagist | < 3.0.3 | 3.0.3 |
Affected products
2Patches
Vulnerability mechanics
References
4News mentions
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