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Servers and applications

CVE-2022-23504

Sensitive Information Disclosure via YAML Placeholder Expressions in Site Configuration

Severity
Medium 4.9
Published
13 Dec 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.5.38, 10.4.33, 11.5.20, 12.1.1
Also known as
GHSA-8w3p-qh3x-6gjr
Sources
NVD, Project advisories (GitHub)

Description

TYPO3 is an open source PHP based web content management system. Versions prior to 9.5.38, 10.4.33, 11.5.20, and 12.1.1 are subject to Sensitive Information Disclosure. Due to the lack of handling user-submitted YAML placeholder expressions in the site configuration backend module, attackers could expose sensitive internal information, such as system configuration or HTTP request messages of…

Affected software

SoftwareAffected versions
TYPO3Servers and applications · cpe:a:typo3:typo3
  • From 9.0.0 before 9.5.38
  • From 10.0.0 before 10.4.33
  • From 11.0.0 before 11.5.20
  • From 12.0.0 before 12.1.1
TYPO3Servers and applications · github:typo3/typo3
  • From 12.0.0 before 12.1.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-23504
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-23504
  • GitHub Advisory Database https://github.com/advisories/GHSA-8w3p-qh3x-6gjr
  • github.com https://github.com/TYPO3/typo3/security/advisories/GHSA-8w3p-qh3x-6gjr