HIGH 8.8 NVD

CVE-2026-78834

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 con

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.

References

https://gist.github.com/AEQ3/574cb644306776a9ff1a0de30b085e62
https://github.com/AEQ3/CVE/issues/1

Published: 2026-09-08 · Source: NVD · Feed updated: 2026-09-11

This high severity vulnerability with a CVSS score of 8.8 was published on 2026-09-08 via NVD.

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