CVE-2026-28189 - Vulnerability Details - OpenCVE

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

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Roland Barker

Participants Database

unaffected

Version	Status	Constraints
`n/a`	affected	≤ 2.7.8.4

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

Update the WordPress Participants Database plugin to the latest available version (at least 2.7.8.5).

Workaround

No workaround given by the vendor.

References

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

History

Thu, 13 Aug 2026 14:00:00 +0000

Type	Values Removed	Values Added
Description		Unauthenticated Arbitrary File Deletion in Participants Database <= 2.7.8.4 versions.
Title		WordPress Participants Database plugin <= 2.7.8.4 - Arbitrary File Deletion vulnerability
Weaknesses		CWE-22
References		https://patchstack.com/database/wordpress/plugin/participants-database/vulnerability/wordpress-participants-database-plugin-2-7-8-4-arbitrary-file-deletion-vulnerability?_s_id=cve
Metrics		cvssV3_1 `{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Patchstack

Published: 2026-08-13T13:36:40.207Z

Updated: 2026-08-13T15:25:23.043Z

Reserved: 2026-02-25T12:14:47.651Z

Link: CVE-2026-28189

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-08-13T14:17:01.020

Modified: 2026-08-13T14:17:01.020

Link: CVE-2026-28189

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-22

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