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MCMS allows arbitrary file uploads in the ueditor component

Critical severity GitHub Reviewed Published Apr 21, 2025 to the GitHub Advisory Database • Updated Apr 21, 2025

Package

maven net.mingsoft:ms-mcms (Maven)

Affected versions

< 5.4.4

Patched versions

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.

References

Published by the National Vulnerability Database Apr 21, 2025
Published to the GitHub Advisory Database Apr 21, 2025
Reviewed Apr 21, 2025
Last updated Apr 21, 2025

Severity

Critical

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS score

Weaknesses

CVE ID

CVE-2025-29287

GHSA ID

GHSA-3922-2r6r-r4fv

Source code

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