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.
Published: 2026-09-08
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 09 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-94
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 08 Sep 2026 20:15:00 +0000

Type Values Removed Values Added
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.
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-09T13:05:57.157Z

Reserved: 2026-08-25T00:00:00.000Z

Link: CVE-2026-78834

cve-icon Vulnrichment

Updated: 2026-09-09T13:05:52.898Z

cve-icon NVD

Status : Received

Published: 2026-09-08T20:18:38.773

Modified: 2026-09-09T14:17:17.463

Link: CVE-2026-78834

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-94

    Improper Control of Generation of Code ('Code Injection')