Vulnerability · Published Aug 13, 2026 · Assigned by Patchstack

CVE-2026-28189WordPress Participants Database plugin <= 2.7.8.4 - Arbitrary File Deletion vulnerability

High 7.4

In plain English

A high-severity path traversal in Participants Database from Roland Barker. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).

Severity (CVSS 3.1)7.4High
Exploit odds (30 days)0.4%top 63.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Unauthenticated Arbitrary File Deletion in Participants Database <= 2.7.8.4 versions.

Affected products (as reported)

VendorProductVersions
Roland Barker Participants Database n/a – through 2.7.8.4

Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H

References