Unauthenticated Arbitrary File Deletion in Participants Database Plugin by WordPress
CVE-2026-59555

10CRITICAL

Key Information:

Vendor

WordPress

Vendor
CVE Published:
23 July 2026

What is CVE-2026-59555?

The Participants Database plugin for WordPress versions up to 2.7.8.3 has a vulnerability that permits unauthenticated users to delete arbitrary files on the server. This flaw can lead to loss of important data or functionality within the website, presenting a significant security risk.

Affected Version(s)

Participants Database <= 2.7.8.3

References

CVSS V3.1

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

hhhai | Patchstack Bug Bounty Program
.