CVE-2026-112862

CRITICAL 9.8

WordPress Participants Database plugin <= 2.7.8.5 - PHP Object Injection vulnerability

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

Deserialization of Untrusted Data vulnerability in xnau webdesign Participants Database participants-database allows Object Injection.This issue affects Participants Database: from n/a through 2.7.8.5.

CWE	CWE-502
Vendor	xnau webdesign
Product	participants database
Published	Oct 23, 2026
Last Updated	Oct 23, 2026

Stay Ahead of the Next One

Get instant alerts for xnau webdesign participants database

Be the first to know when new critical vulnerabilities affecting xnau webdesign participants database are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

xnau webdesign / Participants Database

0 ≤ 2.7.8.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/participants-database/vulnerability/wordpress-participants-database-plugin-2-7-8-5-php-object-injection-vulnerability?_s_id=cve

Credits

Tarcísio Luchesi(Poystick) | Patchstack Bug Bounty Program