Unauthenticated code execution via evaluated m tags
Published Dec 3, 2025 · Updated Dec 3, 2025
Code injection in Masa CMS before 7.2.8, 7.3.0 through 7.3.12, and 7.4.0 through 7.4.5 allows remote attackers to execute code. The JSON API passes the user-controlled criteria parameter from addParam to setDynamicContent, which evaluates m tags as server-side functions. No authentication or user interaction is required, and successful exploitation runs arbitrary code in the CMS server process.
Summary
What happened
Code injection in Masa CMS before 7.2.8, 7.3.0 through 7.3.12, and 7.4.0 through 7.4.5 allows remote attackers to execute code. The JSON API passes the user-controlled criteria parameter from addParam to setDynamicContent, which evaluates m tags as server-side functions. No authentication or user interaction is required, and successful exploitation runs arbitrary code in the CMS server process.
The record
- CVE
- CVE-2024-32641
- Published
- Dec 3, 2025
- Updated
- Dec 3, 2025
- Vendor
- Masa CMS
- Product
- Masa CMS
- Classifications
- CWE-94, CAPEC-242, CAPEC-77, CAPEC-35, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Dec 3, 2025CVE publishedPublication date reported by the CVE source.
- Dec 3, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=< 7.2.8
- Affected versionversion=>= 7.3.0, < 7.3.13
- Affected versionversion=>= 7.4.0, < 7.4.6
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- Maintainer JSON API timing proof of conceptproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
See the directory against your own environment.
Your stack
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