What is the CVSS score of CVE-2026-23547?

CVE-2026-23547 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2026-23547?

Within 24 hours: Audit access logs for unauthorized Content Composer activity and disable the plugin if not business-critical. Within 7 days: Implement WAF rules to restrict Content Composer API endpoints to authenticated users only, and review user roles/permissions. Within 30 days: Migrate to an alternative content management solution or await vendor patch, and conduct a full content audit for unauthorized changes.

CVE-2026-23547

HIGH

Missing Authorization (CWE-862)

2026-02-19 audit@patchstack.com

Authentication Bypass

7.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.1 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:03 vuln.today

CVE Published

Feb 19, 2026 - 09:16 nvd

HIGH 7.1

DescriptionCVE.org

Missing Authorization vulnerability in cmsmasters CMSMasters Content Composer cmsmasters-content-composer allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects CMSMasters Content Composer: from n/a through <= 2.5.8.

AnalysisAI

cmsmasters CMSMasters Content Composer cmsmasters-content-composer is affected by missing authorization (CVSS 7.1).

Technical ContextAI

This vulnerability (CWE-862: Missing Authorization) affects cmsmasters CMSMasters Content Composer cmsmasters-content-composer. Missing Authorization vulnerability in cmsmasters CMSMasters Content Composer cmsmasters-content-composer allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects CMSMasters Content Composer: from n/a through <= 2.5.8.