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TI-2026-76984 Aliases CVE-2026-112861GHSA-xc42-rp7w-hx85

Authorization bypass in WordPress Participants Database plugin

Priority LOW 28CWE-639Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

The Participants Database plugin for WordPress by xnau webdesign, through 2.7.8.5, contains an authorization bypass. A user-controlled key lets the plugin skip access control checks (CWE-639). A remote attacker with low privileges can reach data they should not access, with partial impact on confidentiality, integrity and availability.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Authorization Bypass Through User-Controlled Key vulnerability in xnau webdesign Participants Database participants-database allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Participants Database: from n/a through 2.7.8.5.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00278 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
xnau webdesignParticipants Databaseup to 2.7.8.5—No fix listedCNA
  • Participants Database Vendorxnau webdesign Affected up to 2.7.8.5 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Participants Database.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-20 Threatist record created from CVE-2026-112861
  2. 2026-10-21 Alias added: GHSA-xc42-rp7w-hx85
  3. 2026-10-21 CISA SSVC decision points changed
  4. 2026-10-21 Priority changed: MEDIUM → LOW

References

Other 1

  • TI-2026-79593 Object injection in WordPress Participants Database plugin CVSS 3.1CRITICAL 9.8
  • TI-2026-79592 SQL injection in WordPress Participants Database plugin CVSS 3.1CRITICAL 9.3
  • TI-2025-35860 WordPress Participants Database Plugin <= 2.7.6.3 - Cross Site Scripting (XSS) Vulnerability CVSS 3.1MEDIUM 6.5

Sources

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