GHSA-6xh8-8pfv-53vx — typo3/cms
MEDIUMGHSA-6xh8-8pfv-53vx is a medium-severity (CVSS 5.4) vulnerability in typo3/cms. A fix is available for typo3/cms — see the affected versions and patch details below.
Authentication Bypass in TYPO3 CMS
Real-World Exposure
typo3/cms🐘typo3/cms🐘typo3/cmsReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.
Description
The default authentication service misses to invalidate empty strings as password. Therefore it is possible to authenticate backend and frontend users without password set in the database. Note: TYPO3 does not allow to create user accounts without a password. Your TYPO3 installation might only be affected if there is a third party component creating user accounts without password by directly manipulating the database.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐘Packagist | typo3/cms | ≥ 6.2.0&&< 6.2.20 | 6.2.20composer require typo3/cms:^6.2.20 |
| 🐘Packagist | typo3/cms | ≥ 7.6.0&&< 7.6.5 | 7.6.5composer require typo3/cms:^7.6.5 |
| 🐘Packagist | typo3/cms | ≥ 8.0.0&&< 8.0.1 | 8.0.1composer require typo3/cms:^8.0.1 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for typo3/cms, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update typo3/cms to 6.2.20 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-6xh8-8pfv-53vx is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-6xh8-8pfv-53vx can be triaged on real exposure rather than presence alone.
Tailored to GHSA-6xh8-8pfv-53vx. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is GHSA-6xh8-8pfv-53vx in your dependencies?
O3 Security finds GHSA-6xh8-8pfv-53vx across Packagist dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.