How severe is CVE-2024-12503?

CVE-2024-12503 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-2024-12503 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-2024-12503?

CVE-2024-12503 affects Classcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-12503?

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

Does CVE-2024-12503 have an EU (EUVD) identifier?

Yes. CVE-2024-12503 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-50914.

When was CVE-2024-12503 published?

CVE-2024-12503 was published on 2024-12-12 and last updated on 2026-06-17.

CVE-2024-12503

CVE-2024-12503 is a low-severity vulnerability in Classcms 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
CVSS v4: 5.1
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-50914
Weakness: CWE-79
Affected product: Classcms
Published: 2024-12-12
Last modified: 2026-06-17

Description

A vulnerability classified as problematic was found in ClassCMS 4.8. Affected by this vulnerability is an unknown functionality of the file /index.php/admin of the component Model Management Page. The manipulation of the argument URL leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2024-12503?: A vulnerability classified as problematic was found in ClassCMS 4.8. Affected by this vulnerability is an unknown functionality of the file /index.php/admin of the component Model Management Page. The manipulation of the argument URL leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2024-12503?: CVE-2024-12503 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-2024-12503 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-2024-12503?: CVE-2024-12503 affects Classcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-12503?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-12503 have an EU (EUVD) identifier?: Yes. CVE-2024-12503 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-50914.
When was CVE-2024-12503 published?: CVE-2024-12503 was published on 2024-12-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:classcms:classcms:4.8:*:*:*:*:*:*:*

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