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Not in CISA KEV
LOW severity

CVE-2024-55891 — cms-install

LOWFix: TYPO3-CMS/install@baa8089

CVE-2024-55891 is a low-severity (CVSS 3.1) CWE-532 vulnerability in typo3/cms-install. A fix is available for typo3/cms-install — see the affected versions and patch details below.

Information Disclosure via Exception Handling/Logger in TYPO3

Also known asGHSA-38x7-cc6w-j27q
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 9, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2024-55891.

EPSS Exploitation Probability

via FIRST.org ↗
0.3%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs26th percentile — riskier than 26% of all scored CVEsHighest risk
0.00%0.28%0.55%0.83%0.3%0.3%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐘typo3/cms-install

Real-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

Problem

It has been discovered that the install tool password has been logged as plaintext in case the password hashing mechanism used for the password was incorrect.

Solution

Update to TYPO3 versions 13.4.3 LTS that fixes the problem described.

Credits

Thanks to TYPO3 core & security team member Oliver Hader who reported and fixed the issue.

References

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagisttypo3/cms-install≥ 13.4.2&&< 13.4.313.4.3composer require typo3/cms-install:^13.4.3

Affected Products

1 product · 1 configurations
Application
typo3typo3
1 version
13.4.2

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for typo3/cms-install, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update typo3/cms-install to 13.4.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2024-55891 is resolved across your whole dependency graph.

  3. 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.

Frequently Asked Questions

### Problem It has been discovered that the install tool password has been logged as plaintext in case the password hashing mechanism used for the password was incorrect. ### Solution Update to TYPO3 versions 13.4.3 LTS that fixes the problem described. ### Credits Thanks to TYPO3 core & security team member Oliver Hader who reported and fixed the issue. ### References * [TYPO3-CORE-SA-2025-001](https://typo3.org/security/advisory/typo3-core-sa-2025-001)
O3 Security · Impact-Aware SCA

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CVE-2024-55891: cms-install — Fixed in 13.4.3