MasaCMS vulnerability

What happened

Masa CMS is an open source Enterprise Content Management platform. Masa CMS versions prior to 7.2.8, 7.3.13, and 7.4.6 are vulnerable to remote code execution. The vulnerability exists in the addParam function, which accepts user input via the criteria parameter. This input is subsequently evaluated by setDynamicContent, allowing an unauthenticated attacker to execute arbitrary code via the m tag. The vulnerability is patched in versions 7.2.8, 7.3.13, and 7.4.6.

Affected versions

MasaCMS: >= 7.4.0, < 7.4.6; >= 7.3.0, < 7.3.13; < 7.2.8 Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

• Apply vendor-provided updates or mitigations.
• Review affected product exposure and access logs.