CVE-2026-40331
Masa CMS’s JSON API allows an unauthenticated attacker to inject arbitrary SQL through the altTable parameter, enabling them to read any database table. The flaw exists in several 7.x releases and has been fixed in newer versions.
An official fix is available, so this entry is kept for 30 days and then removed automatically.
Who is affected
Masa CMS versions 7.2.0‑7.2.9, 7.3.0‑7.3.14, 7.4.0‑7.4.9, and 7.5.0‑7.5.2 – typically used by website administrators managing content.
Real-world impact
An attacker can retrieve sensitive data such as administrative credentials, password reset tokens, and other confidential information from the database without authentication.
Why this severity
The CVSS score of 9.3 reflects the vulnerability’s high impact: it allows remote attackers to read any data (high confidentiality, integrity, and availability impact) with no authentication or user interaction required.
What to do about it
- 01Upgrade Masa CMS to a patched version: 7.2.10 or later, 7.3.15 or later, 7.4.10 or later, or 7.5.3 or later.
- 02Restart the web server or application to apply the update.
NVD-referenced vendor advisory
Timeline
- May 5, 2026 · May 5, 2026PublishedDisclosed and added to the National Vulnerability Database.
- Jul 24, 2026 · 11d agoAdvisory updatedThe NVD record was last revised.
- Jul 26, 2026 · 10d agoOfficial fix availableA vendor patch or mitigation now exists — see the remediation steps above.