The fluid_components (aka Fluid Components) extension before 3.5.0 for TYPO3 allows XSS…
Priority LOW 28CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
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 it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00512 43rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed sitegeist/fluid-components (Packagist): 3.5.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | sitegeist/fluid-components (Packagist) | before 3.5.0 | 3.5.0 | Patch available | GHSA-8648-h559-8h42 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- sitegeist/fluid-components (Packagist) Vendor— Affected before 3.5.0 Fixed in 3.5.0 Patch available GHSA-8648-h559-8h42
Remediation
- Fix · GHSA-8648-h559-8h42 sitegeist/fluid-components (Packagist) Fixed in 3.5.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-28604
- 2026-10-03 Alias added: GHSA-8648-h559-8h42
References
Advisory 2
Sources
- CVE-2023-28604 · CVE Program
- CVE-2023-28604 · NVD
- FIRST EPSS
- GHSA-8648-h559-8h42 · GitHub Advisory Database · CC BY 4.0
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