How severe is CVE-2023-5811?

CVE-2023-5811 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-5811 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-5811?

CVE-2023-5811 affects Flusity. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-5811?

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

When was CVE-2023-5811 published?

CVE-2023-5811 was published on 2023-10-27 and last updated on 2026-06-17.

CVE-2023-5811

CVE-2023-5811 is a low-severity vulnerability in Flusity with a CVSS 3.x base score of 2.4. 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: Low (CVSS 3.x base score 2.4)
CVSS v2: 3.3
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Flusity
Published: 2023-10-27
Last modified: 2026-06-17

Description

A vulnerability, which was classified as problematic, was found in flusity CMS. Affected is the function loadPostAddForm of the file core/tools/posts.php. The manipulation of the argument menu_id leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The patch is identified as 6943991c62ed87c7a57989a0cb7077316127def8. It is recommended to apply a patch to fix this issue. VDB-243642 is the identifier assigned to this vulnerability.

Frequently asked questions

What is CVE-2023-5811?: A vulnerability, which was classified as problematic, was found in flusity CMS. Affected is the function loadPostAddForm of the file core/tools/posts.php. The manipulation of the argument menu_id leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The patch is identified as 6943991c62ed87c7a57989a0cb7077316127def8. It is recommended to apply a patch to fix this issue. VDB-243642 is the identifier assigned to this vulnerability.
How severe is CVE-2023-5811?: CVE-2023-5811 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-5811 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-5811?: CVE-2023-5811 affects Flusity. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-5811?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-5811 published?: CVE-2023-5811 was published on 2023-10-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:flusity:flusity:*:*:*:*:*:*:*:*

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