CMSMasters Content Composer vulnerabilities

Plugin slug cmsmasters-content-composer · 4 known vulnerabilities · latest disclosed 2026-02-02 · WordPress.org page

Every listed vulnerability has a fix. Version 2.5.9 or later is not affected by any of them. If your site runs an older version, update it.

2 of 4 rated high or critical (CVSS 7 or more).

Known vulnerabilities in CMSMasters Content Composer

SeverityAffected versionsFixed inCVEPublishedDetails
High 7.5<= 1.4.51.4.6CVE-2026-253262026-02-02Advisory
Medium 4.3<= 2.5.82.5.9CVE-2026-235472025-12-14Advisory
High 8.1< 2.5.72.5.7CVE-2025-44142025-07-01Advisory
Medium 6.4<= 1.8.81.9.0CVE-2024-79632024-10-08Advisory

Check if a site is affected

Enter a site address to see which version of CMSMasters Content Composer and other plugins it runs, and whether they match a known vulnerability.

Questions

Is the CMSMasters Content Composer plugin safe to use?

All 4 known issues are fixed in current versions (2.5.9 or later). Keeping it updated is what matters.

How do I check which version of CMSMasters Content Composer my site runs?

In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.

How do I fix a vulnerable plugin?

Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.

Check any WordPress site in one click while you browse: Add PluginPeek to Chrome