CVE-2023-28604
Fluid Components TYPO3 extension vulnerable to Cross-Site Scripting
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2023-28604- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List
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.
- Record
CVE-2023-28604- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2023-0938
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.
- Record
EUVD-2023-0938- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8648-h559-8h42
Fluid Components TYPO3 extension vulnerable to Cross-Site Scripting
All versions of Fluid Components before 3.5.0 were susceptible to Cross-Site Scripting. Version 3.5.0 of the extension fixes this issue. Due to the nature of the problem, some changes in your project's Fluid templates might be necessary to prevent unwanted double-escaping of HTML markup.
- Record
GHSA-8648-h559-8h42- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2023-28604- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-8648-h559-8h42
Fluid Components TYPO3 extension vulnerable to Cross-Site Scripting
All versions of Fluid Components before 3.5.0 were susceptible to Cross-Site Scripting. Version 3.5.0 of the extension fixes this issue. Due to the nature of the problem, some changes in your project's Fluid templates might be necessary to prevent unwanted double-escaping of HTML markup.
- Record
GHSA-8648-h559-8h42- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
sitegeist/fluid-componentsPackagist |
before 3.5.0 | 3.5.0 |
sitegeist/fluid-componentsPackagist |
before 3.5.0, plus listed versions 1.0.11.1.01.1.11.1.21.2.0 Show 20 moreShow less1.3.02.0.02.0.12.1.02.2.02.3.02.4.02.4.12.5.02.5.13.0.03.1.03.1.13.2.03.3.03.4.03.4.13.4.23.4.3v1.0.0 |
3.5.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-28604 is a medium vulnerability (CVSS 6.1) in Sitegeist Fluid Components, published March 27, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.51%, the 44th percentile. Fixed in sitegeist/fluid-components 3.5.0.
References
typo3.org/security/advisory/typo3-ext-sa-2023-003
github.com/sitegeist/fluid-components/blob/master/Documentation/XssIssue.md
nvd.nist.gov/vuln/detail/CVE-2023-28604