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Vulnerabilities

Vulnerability · 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 crafted file.

Published Apr 21, 2025 · catalog updated Jul 5, 2026 · An arbitrary file upload

Check this week

CVE-2025-29287 is not in CISA KEV. FIRST estimates a 78.00% chance of exploitation in the next 30 days. Check whether you run An arbitrary file upload.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (An arbitrary file upload).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
78.00%
Remediation
Vendor / distro source
Affected products
vendor n/a n/a n/a

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor n/a n/a n/an/a

How to fix CVE-2025-29287

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-29287 is not in CISA KEV. FIRST estimates a 78.00% chance of exploitation in the next 30 days. Check whether you run An arbitrary file upload.

Which versions are affected?

Compare what you have installed with n/a n/a n/a n/a. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 78.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 21, 2025 · EUVD

    Detected

    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.

  2. Jul 5, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-29287

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-12370

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.