All vulnerabilities

Servers and applications

CVE-2022-23500

Denial of Service in Page Error Handling

Severity
High 7.5
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
Also known as
GHSA-8c28-5mp7-v24h
Sources
NVD, Project advisories (GitHub)

Description

TYPO3 is an open source PHP based web content management system. In versions prior to 9.5.38, 10.4.33, 11.5.20, and 12.1.1, requesting invalid or non-existing resources via HTTP triggers the page error handler, which again could retrieve content to be shown as an error message from another page. This leads to a scenario in which the application is calling itself recursively - amplifying the…

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
TYPO3Servers and applications · github:typo3/typo3
  • From 11.0.0 before 11.5.20

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-23500
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-23500
  • GitHub Advisory Database https://github.com/advisories/GHSA-8c28-5mp7-v24h
  • github.com https://github.com/TYPO3/typo3/security/advisories/GHSA-8c28-5mp7-v24h