PatchTheCVECVE-2023-28604: The fluid_components (aka Fluid Components) extension before 3.5.0 for TYPO3 allows XSS via a component argume
CVE-2023-28604 is a medium-severity flaw (CVSS 6.1) affecting fluid components. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.5% (top 56%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2023-12-12 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-28604?
fluid components: upgrade to 3.5.0. Exact commands for each OS are on this page.
Is CVE-2023-28604 being exploited?
CVE-2023-28604 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-28604 affect?
CVE-2023-28604 affects fluid components. Severity is medium (CVSS 6.1). 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.
How urgent is CVE-2023-28604?
Priority 37/100. Public exploit reference