GHSA-8h28-f46f-m87h
Insecure Deserialization in TYPO3 CMS
GHSA-8h28-f46f-m87h is a vulnerability with no CVSS score yet in typo3/cms, published June 5, 2024. No source lists public exploit code. Fixed in typo3/cms 8.7.17.
- Severity
- UnratedNo CVSS score yet
- Exploit chance
- UnscoredNo EPSS score yet
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
8.7.17typo3/cms +3 more
Description
It has been discovered that the Form Framework (system extension "form") is vulnerable to Insecure Deserialization when being used with the additional PHP PECL package “yaml”, which is capable of unserializing YAML contents to PHP objects. A valid backend user account as well as having PHP setting "yaml.decode_php" enabled is needed to exploit this vulnerability (which is the default value according to PHP documentation).
Affected packages
| Package | Affected | Fixed |
|---|---|---|
typo3/cmsPackagist | 8.5.0 up to 8.7.17 | 8.7.17 |
typo3/cmsPackagist | 9.0.0 up to 9.3.2 | 9.3.2 |
typo3/cmsPackagist | 8.5.0 up to 8.7.17, plus listed versions 8.5.18.6.08.6.18.7.08.7.1 Show 15 moreShow less8.7.2v8.7.10v8.7.11v8.7.12v8.7.13v8.7.14v8.7.15v8.7.16v8.7.3v8.7.4v8.7.5v8.7.6v8.7.7v8.7.8v8.7.9 | 8.7.17 |
typo3/cmsPackagist | 9.0.0 up to 9.3.2, plus listed versions v9.0.0v9.1.0v9.2.0v9.2.1v9.3.0v9.3.1 | 9.3.2 |
What each source reports
GitHub AdvisoriesNo score
Insecure Deserialization in TYPO3 CMS
It has been discovered that the Form Framework (system extension "form") is vulnerable to Insecure Deserialization when being used with the additional PHP PECL package “yaml”, which is capable of unserializing YAML contents to PHP objects. A valid backend user account as well as having PHP setting "yaml.decode_php" enabled is needed to exploit this vulnerability (which is the default value according to PHP documentation).
- Record
GHSA-8h28-f46f-m87h- Weakness
- CWE-502
- Updated
- 2026-11-02
OSVNo score
Insecure Deserialization in TYPO3 CMS
It has been discovered that the Form Framework (system extension "form") is vulnerable to Insecure Deserialization when being used with the additional PHP PECL package “yaml”, which is capable of unserializing YAML contents to PHP objects. A valid backend user account as well as having PHP setting "yaml.decode_php" enabled is needed to exploit this vulnerability (which is the default value according to PHP documentation).
- Record
GHSA-8h28-f46f-m87h- Weakness
- CWE-502
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.