What’s Vulnerable › Vulnerabilities

CVE-2023-28604

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-12-12 · updated 2026-06-17
• Weakness: CWE-79

Description

The fluid_components (aka Fluid Components) extension before 3.5.0 for TYPO3 allows XSS via a component argument parameter, for certain {content} use cases that may be edge cases.

Affected products

• Sitegeist Fluid Components: before 3.5.0 — fixed in 3.5.0

How to fix

Upgrade to a fixed version: Sitegeist Fluid Components 3.5.0. Check the vendor advisory for mitigations.

References

• https://github.com/sitegeist/fluid-components/blob/master/Documentation/XssIssue.md
• https://typo3.org/security/advisory/typo3-ext-sa-2023-003
• https://github.com/sitegeist/fluid-components/blob/master/Documentation/XssIssue.md
• https://typo3.org/security/advisory/typo3-ext-sa-2023-003

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