CVE-2024-12503

Name: CVE-2024-12503
Creator: NVD / NIST
Published: 2024-12-12T02:15:22.53+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.1/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2024-12503 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. 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. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.8/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CVSS 4.0

5.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.50%

38.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Classcms	Classcms	4.8

References

https://github.com/Jack-Black-13/blob/blob/main/classCMS_v4.8_model_xss.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.287875Permissions Required, VDB Entry
https://vuldb.com/?id.287875Permissions Required, VDB Entry
https://vuldb.com/?submit.461085Third Party Advisory, VDB Entry

Timeline

Published: Dec 12, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-12503?

How severe is CVE-2024-12503?

CVE-2024-12503 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2024-12503?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-12503?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST