Deserialization of Untrusted Data

Overview Affected versions of this package are vulnerable to Deserialization of Untrusted Data via the X-T3Crawler-Meta response header from crawled URLs directly to PHP's unserialize. An attacker controlling a crawled endpoint can inject arbitrary serialized PHP objects, leading to Remote Code...

PT-2026-41867

The Crawler extension passes the X-T3Crawler-Meta response header from crawled URLs directly to PHP's unserialize. An attacker controlling a crawled endpoint can inject arbitrary serialized PHP objects, leading to Remote Code Execution on the TYPO3 server. Exploitation requires administrative...