How severe is CVE-2023-28604?

CVE-2023-28604 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-28604 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28604?

CVE-2023-28604 affects Sitegeist Fluid Components. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-28604?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-28604 published?

CVE-2023-28604 was published on 2023-12-12 and last updated on 2026-06-17.

CVE-2023-28604

CVE-2023-28604 is a medium-severity vulnerability in Sitegeist Fluid Components with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Sitegeist Fluid Components
Published: 2023-12-12
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-28604?: 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 severe is CVE-2023-28604?: CVE-2023-28604 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-28604 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28604?: CVE-2023-28604 affects Sitegeist Fluid Components. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-28604?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-28604 published?: CVE-2023-28604 was published on 2023-12-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sitegeist:fluid_components:*:*:*:*:*:typo3:*:*

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