CVE-2026-112862

Deserialization of Untrusted Data vulnerability in xnau webdesign Participants Database…

Risk score: 68/100
CVSS: 9.8 v3.1
Exploit chance (30 days): 0.3%
Published: 23 Oct 2026

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What to know

What it is: The xnau webdesign Participants Database participants-database has a critical vulnerability allowing Object Injection through Deserialization of Untrusted Data. An attacker could remotely exploit this without logging in, leading to high impact.
Affected: {'products': ['Participants Database'], 'packages': [], 'versions': ['2.7.8.5']}
Fix: Check the linked advisory for a fix, as none is provided.
Exploitation: No known exploitation

Why it is Amber

CVSS 9.8 critical
Remotely exploitable without logging in

References

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

Original description

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.

Last activity 23 Oct 2026. Patch Forecast updates every hour.