How severe is CVE-2024-58291?

CVE-2024-58291 has a CVSS 4.0 base score of 5.3, rated medium severity.

Is CVE-2024-58291 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-58291?

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

Does CVE-2024-58291 have an EU (EUVD) identifier?

Yes. CVE-2024-58291 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-55340.

When was CVE-2024-58291 published?

CVE-2024-58291 was published on 2025-12-11 and last updated on 2026-06-17.

CVE-2024-58291

CVE-2024-58291 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.3. 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 4.0 base score 5.3)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-55340
Weakness: CWE-79
Published: 2025-12-11
Last modified: 2026-06-17

Description

Flatboard 3.2 contains a stored cross-site scripting vulnerability that allows authenticated administrators to inject malicious scripts in forum information fields. Attackers can insert JavaScript payloads that execute when other users view the forum, potentially stealing session cookies and executing client-side scripts.

Frequently asked questions

What is CVE-2024-58291?: Flatboard 3.2 contains a stored cross-site scripting vulnerability that allows authenticated administrators to inject malicious scripts in forum information fields. Attackers can insert JavaScript payloads that execute when other users view the forum, potentially stealing session cookies and executing client-side scripts.
How severe is CVE-2024-58291?: CVE-2024-58291 has a CVSS 4.0 base score of 5.3, rated medium severity.
Is CVE-2024-58291 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-58291?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-58291 have an EU (EUVD) identifier?: Yes. CVE-2024-58291 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-55340.
When was CVE-2024-58291 published?: CVE-2024-58291 was published on 2025-12-11 and last updated on 2026-06-17.

References

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

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CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

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