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CVE-2026-8727

Remote Code Execution in extension "Site Crawler" (crawler) PUBLISHED

Description (CNA)

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 privileges to configure a crawler-enabled page and trigger the crawl via a Scheduler task.

Affected (CNA)

Vendor / productVersions
TYPO3 / Extension "Site Crawler"affected 12.0.0 before 12.0.11; affected 0 before 11.0.13

CWE

CWE-502

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.