WordPress CMSMasters Content Composer plugin <= 2.5.8 - Broken Access Control vulnerability
Priority LOW 31CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00245 15th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| cmsmasters | CMSMasters Content Composer | up to 2.5.8 | — | No fix listed | CNA |
- CMSMasters Content Composer Vendorcmsmasters Affected up to 2.5.8 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-23547
- 2026-10-03 Alias added: GHSA-6c3h-gxfp-37vm
More cmsmasters vulnerabilities
- TI-2025-03934 WordPress CMSMasters Content Composer plugin < 2.5.7 - Local File Inclusion vulnerability CVSS 3.1HIGH 8.1
- TI-2026-20444 WordPress CMSMasters Content Composer plugin <= 1.4.5 - Local File Inclusion vulnerability CVSS 3.1HIGH 7.5
- TI-2025-00807 Missing authorization in cmsmasters Eco Nature - Environment & Ecology WordPress Theme CVSS 3.1HIGH 8.1
- TI-2024-08992 CMSMasters Elementor Addon <= 1.14.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via Multiple Widgets CVSS 3.1MEDIUM 6.4
- TI-2024-07382 CMSMasters Content Composer <= 1.8.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode CVSS 3.1MEDIUM 6.4
- TI-2025-00429 Missing authorization in cmsmasters Buzz Club – Night Club, DJ and Music Festival Event… CVSS 3.1MEDIUM 4.3
Sources
- CVE-2026-23547 · CVE Program
- CVE-2026-23547 · NVD
- FIRST EPSS
- GHSA-6c3h-gxfp-37vm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences