How severe is GHSA-g9rv-6g56-65h8?

No CVSS score has been assigned to GHSA-g9rv-6g56-65h8 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by GHSA-g9rv-6g56-65h8?

GHSA-g9rv-6g56-65h8 affects the following packages: typo3/cms (Packagist), typo3/cms (Packagist). Ecosystems affected: Packagist.

How do I fix GHSA-g9rv-6g56-65h8?

Update typo3/cms to 8.7.25 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-g9rv-6g56-65h8 is resolved across your whole dependency graph.

How do I detect GHSA-g9rv-6g56-65h8 in my Packagist dependencies?

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.

How do I mitigate GHSA-g9rv-6g56-65h8 if there is no patch (or I can't update yet)?

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.

Is GHSA-g9rv-6g56-65h8 actively exploited in the wild?

No public exploit code has been indexed for GHSA-g9rv-6g56-65h8 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

When was GHSA-g9rv-6g56-65h8 published, and has it been updated?

GHSA-g9rv-6g56-65h8 was published on June 5, 2024 and was last updated on December 2, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐘 Packagist

Not in CISA KEV

Typo3 Security Misconfiguration in User Session HandlingGHSA-g9rv-6g56-65h8

GHSA-g9rv-6g56-65h8 is a security vulnerability in typo3/cms. A fix is available for typo3/cms — see the affected versions and patch details below.

Published

Jun 5, 2024

Updated

Dec 2, 2024

Affected

2 pkgs

Patched

2 / 2

Exploits

None indexed

Exploitation data as of Dec 2, 2024 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

2 pkgs affected

🐘typo3/cms🐘typo3/cms

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

When users change their password existing sessions for that particular user account are not revoked. A valid backend or frontend user account is required in order to make use of this vulnerability.

Affected Packages

2 total 2 fixed

Ecosystem	Package	Vulnerable range	Fix
🐘Packagist	`typo3/cms`	≥ 8.0.0&&< 8.7.25	8.7.25`composer require typo3/cms:^8.7.25`
🐘Packagist	`typo3/cms`	≥ 9.0.0&&< 9.5.6	9.5.6`composer require typo3/cms:^9.5.6`

Detection & mitigation playbook

Open-source dependency

Detect
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 8.7.25 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-g9rv-6g56-65h8 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.

Frequently Asked Questions

When users change their password existing sessions for that particular user account are not revoked. A valid backend or frontend user account is required in order to make use of this vulnerability.

O3 Security · Impact-Aware SCA

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