CVE-2026-28189: WordPress Participants Database plugin <= 2.7.8.4 - Arbitrary File Deletion vulnerability
Published Aug 13, 2026
·Updated
Unauthenticated Arbitrary File Deletion in Participants Database <= 2.7.8.4 versions.
Affected Software
1 affected component
WordPress Participants Database Plugin<=2.7.8.4
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
WordPress Participants Database pluginto a version that resolves this vulnerability.Fixed in 2.7.8.5
Event History
Aug 13, 2026
CVE Published
via MITRE·01:36 PM
Data Sourced
via MITRE·01:36 PM
RemedyDescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2026-28189?
CVE-2026-28189 has a severity rating of high, with a score of 7.4.
2
How do I fix CVE-2026-28189?
To fix CVE-2026-28189, update the Participants Database plugin to version 2.7.8.5 or later.
3
What does CVE-2026-28189 affect?
CVE-2026-28189 affects the WordPress Participants Database plugin versions up to 2.7.8.4.
4
What kind of vulnerability is CVE-2026-28189?
CVE-2026-28189 is an unauthenticated arbitrary file deletion vulnerability.
5
How can CVE-2026-28189 be exploited?
CVE-2026-28189 can be exploited through path traversal techniques, allowing attackers to delete arbitrary files.