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2 vulnerabilities found for Extension "Site Crawler" by TYPO3

CVE-2026-8727 (GCVE-0-2026-8727)

Vulnerability from nvd – Published: 2026-05-19 09:16 – Updated: 2026-05-19 13:25
VLAI
Title
Remote Code Execution in extension "Site Crawler" (crawler)
Summary
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.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
TYPO3 Extension "Site Crawler" Affected: 12.0.0 , < 12.0.11 (semver)
Affected: 0 , < 11.0.13 (semver)
Create a notification for this product.
Date Public
2026-05-19 09:00
Credits
Roman Hergenreder Tomas Norre Mikkelsen
Show details on NVD website
To clipboard 

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CVE-2026-8727 (GCVE-0-2026-8727)

Vulnerability from cvelistv5 – Published: 2026-05-19 09:16 – Updated: 2026-05-19 13:25
VLAI
Title
Remote Code Execution in extension "Site Crawler" (crawler)
Summary
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.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
TYPO3 Extension "Site Crawler" Affected: 12.0.0 , < 12.0.11 (semver)
Affected: 0 , < 11.0.13 (semver)
Create a notification for this product.
Date Public
2026-05-19 09:00
Credits
Roman Hergenreder Tomas Norre Mikkelsen
Show details on NVD website
To clipboard 

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