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TI-2026-21836 Aliases CVE-2026-27423GHSA-r27m-w6r8-wgrx

WordPress Participants Database plugin <= 2.7.8.4 - Broken Access Control vulnerability

Priority LOW 20CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

Subscriber Broken Access Control in Participants Database <= 2.7.8.4 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00254 17th 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
Roland BarkerParticipants Databaseup to 2.7.8.4—No fix listedCNA
  • Participants Database VendorRoland Barker Affected up to 2.7.8.4 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-2026-27423
  2. 2026-10-03 Alias added: GHSA-r27m-w6r8-wgrx

References

Other 1

  • TI-2026-42518 WordPress Participants Database plugin <= 2.7.8.3 - Arbitrary File Deletion vulnerability CVSS 3.1CRITICAL 10.0
  • TI-2026-42488 WordPress Participants Database plugin <= 2.7.8.3 - SQL Injection vulnerability CVSS 3.1CRITICAL 9.3
  • TI-2026-22528 WordPress Participants Database plugin <= 2.7.8.4 - Arbitrary File Deletion vulnerability CVSS 3.1HIGH 7.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences