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VULNERABILITIES

CVE-2026-78834 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA: CISA-ADPCVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://gist.github.com/AEQ3/574cb644306776a9ff1a0de30b085e62 [email protected]Technical Description
https://github.com/AEQ3/CVE/issues/1 [email protected]ExploitIssue TrackingTechnical Description

Weakness Enumeration

CWE-IDCWE NameSource
CWE-94Improper Control of Generation of Code ('Code Injection')CISA-ADP

Affected Products

ProductVersions
CMSimple
5.22

CPE

  • cpe:2.3:a:cmsimple:cmsimple:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-78834
NVD Published Date:
Sep 8, 2026
NVD Last Modified:
Sep 9, 2026
Source:
[email protected]