CVE-2026-28189

HIGH 7.4

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

CVSS Score

7.4

EPSS Score

0.0%

EPSS Percentile

0th

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

CWE	CWE-22
Vendor	roland barker
Product	participants database
Published	Aug 13, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

Roland Barker / Participants Database

n/a ≤ 2.7.8.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/participants-database/vulnerability/wordpress-participants-database-plugin-2-7-8-4-arbitrary-file-deletion-vulnerability?_s_id=cve

Credits

VanTastic | Patchstack Bug Bounty Program