Unrated severityNVD Advisory· Published Sep 8, 2026
CVE-2026-78834
CVE-2026-78834
Description
A code execution vulnerability exists in CMSimple 5.22 in the CoAuthors plugin. An authenticated low-privileged user who can modify page content and provide controlled imported content can trigger server-side execution by referencing crafted external or uploaded text content through the affected content import feature.
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Affected products
1Patches
Vulnerability mechanics
References
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