How severe is CVE-2024-12907?

CVE-2024-12907 has a CVSS 4.0 base score of 5.3, rated medium severity.

Is CVE-2024-12907 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-12907?

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

Does CVE-2024-12907 have an EU (EUVD) identifier?

Yes. CVE-2024-12907 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-51185.

When was CVE-2024-12907 published?

CVE-2024-12907 was published on 2025-01-02 and last updated on 2026-06-17.

CVE-2024-12907

CVE-2024-12907 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% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-51185
Weakness: CWE-79
Published: 2025-01-02
Last modified: 2026-06-17

Description

Kentico CMS in version 7 is vulnerable to a Reflected XSS attacks through manipulation of a specific GET request parameter sent to /CMSMessages/AccessDenied.aspx endpoint. Notably, support for this version of Kentico ended in 2016. Version 8 was tested as well and does not contain this vulnerability.

Frequently asked questions

What is CVE-2024-12907?: Kentico CMS in version 7 is vulnerable to a Reflected XSS attacks through manipulation of a specific GET request parameter sent to /CMSMessages/AccessDenied.aspx endpoint. Notably, support for this version of Kentico ended in 2016. Version 8 was tested as well and does not contain this vulnerability.
How severe is CVE-2024-12907?: CVE-2024-12907 has a CVSS 4.0 base score of 5.3, rated medium severity.
Is CVE-2024-12907 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-12907?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-12907 have an EU (EUVD) identifier?: Yes. CVE-2024-12907 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-51185.
When was CVE-2024-12907 published?: CVE-2024-12907 was published on 2025-01-02 and last updated on 2026-06-17.

References

https://cert.pl/en/posts/2025/01/CVE-2024-12907

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