CVE-2026-28189
WordPress Participants Database plugin <= 2.7.8.4 - Arbitrary File Deletion vulnerability
Unauthenticated Arbitrary File Deletion in Participants Database <= 2.7.8.4 versions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
WordPress Participants Database plugin <= 2.7.8.4 - Arbitrary File Deletion vulnerability
Unauthenticated Arbitrary File Deletion in Participants Database <= 2.7.8.4 versions.
- Record
CVE-2026-28189- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
EUVDEUVD-2026-57967
Unauthenticated Arbitrary File Deletion in Participants Database <= 2.7.8.4 versions.
- Record
EUVD-2026-57967- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-ggcw-rwmj-9238
Unauthenticated Arbitrary File Deletion in Participants Database <= 2.7.8.4 versions.
Unauthenticated Arbitrary File Deletion in Participants Database <= 2.7.8.4 versions.
- Record
GHSA-ggcw-rwmj-9238- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
NVD
Unauthenticated Arbitrary File Deletion in Participants Database <= 2.7.8.4 versions.
- Record
CVE-2026-28189- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-28189 is a high vulnerability (CVSS 7.4) in Roland Barker Participants Database, published August 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 37th percentile. No source names a fixed version.