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TI-2026-28543 Aliases CVE-2026-39569GHSA-mrpg-59p9-vgrh

WordPress 12 Step Meeting List plugin <= 3.19.9 - Broken Access Control vulnerability

Priority LOW 29CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · 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 AA Web Servant 12 Step Meeting List 12-step-meeting-list allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects 12 Step Meeting List: from n/a through <= 3.19.9.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0028 20th 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

VendorProductAffected versionsFixed inStatusSource
AA Web Servant12 Step Meeting Listup to 3.19.9—No fix listedCNA
  • 12 Step Meeting List VendorAA Web Servant Affected up to 3.19.9 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-39569
  2. 2026-10-03 Alias added: GHSA-mrpg-59p9-vgrh

References

  • TI-2025-18300 WordPress 12 Step Meeting List plugin <= 3.16.5 - Settings Change vulnerability CVSS 3.1MEDIUM 6.5
  • TI-2025-18299 WordPress 12 Step Meeting List plugin <= 3.16.5 - Sensitive Data Exposure vulnerability CVSS 3.1MEDIUM 5.3
  • TI-2026-28544 WordPress 12 Step Meeting List plugin <= 3.19.9 - Sensitive Data Exposure vulnerability CVSS 3.1MEDIUM 5.3
  • TI-2025-18297 WordPress 12 Step Meeting List plugin <= 3.16.5 - Arbitrary Content Deletion vulnerability CVSS 3.1MEDIUM 6.5
  • TI-2025-33899 WordPress 12 Step Meeting List Plugin <= 3.18.3 - Cross Site Scripting (XSS) Vulnerability CVSS 3.1MEDIUM 6.5

Sources