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MEDIUM severity

GHSA-22q7-cg4r-p9mx typo3/cms-fluid

MEDIUMFix: TYPO3-CMS/fluid@1a65dcc

GHSA-22q7-cg4r-p9mx is a medium-severity (CVSS 6.1) vulnerability in typo3/cms-fluid. A fix is available for typo3/cms-fluid — see the affected versions and patch details below.

TYPO3 Cross-Site Scripting in Fluid ViewHelpers

Published
May 30, 2024
Updated
Jul 16, 2026
Affected
2 pkgs
Patched
2 / 2
Exploits
None indexed
Exploitation data as of Jul 16, 2026 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

2 pkgs affected
🐘typo3/cms-fluid🐘typo3/cms-fluid

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

Failing to properly encode user input, templates using built-in Fluid ViewHelpers are vulnerable to cross-site scripting.

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagisttypo3/cms-fluid8.0.0&&< 8.7.238.7.23composer require typo3/cms-fluid:^8.7.23
🐘Packagisttypo3/cms-fluid9.0.0&&< 9.5.49.5.4composer require typo3/cms-fluid:^9.5.4

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-fluid, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update typo3/cms-fluid to 8.7.23 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-22q7-cg4r-p9mx 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.

  4. How O3 protects you

    O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-22q7-cg4r-p9mx can be triaged on real exposure rather than presence alone.

Tailored to GHSA-22q7-cg4r-p9mx. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

Failing to properly encode user input, templates using built-in Fluid ViewHelpers are vulnerable to cross-site scripting.
O3 Security · Impact-Aware SCA

Is GHSA-22q7-cg4r-p9mx in your dependencies?

O3 Security finds GHSA-22q7-cg4r-p9mx across Packagist dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.

GHSA-22q7-cg4r-p9mx: XSS (Medium 6.1) | O3 Security