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Servers and applications

CVE-2020-26228

Cleartext storage of session identifier

Severity
High 7.5
Published
17 Nov 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.5.23, 10.4.10
Also known as
GHSA-954j-f27r-cj52
Sources
NVD, Project advisories (GitHub)

Description

TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 9.5.23 and 10.4.10 user session identifiers were stored in cleartext - without processing with additional cryptographic hashing algorithms. This vulnerability cannot be exploited directly and occurs in combination with a chained attack - like for instance SQL injection in any other component of the system.…

Affected software

SoftwareAffected versions
TYPO3Servers and applications · cpe:a:typo3:typo3
  • From 9.0.0 before 9.5.23
  • From 10.0.0 before 10.4.10
TYPO3Servers and applications · github:typo3/typo3
  • From 10.0.0 before 10.4.10

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-26228
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-26228
  • GitHub Advisory Database https://github.com/advisories/GHSA-954j-f27r-cj52
  • github.com https://github.com/TYPO3/typo3/security/advisories/GHSA-954j-f27r-cj52