Critical 9.8Published Oct 23, 2026

CVE-2026-112862WordPress Participants Database plugin <= 2.7.8.5 - PHP Object Injection vulnerability

Updated under an hour ago (Oct 26, 2026, 5:10 PM ET)

Does this affect you?

It affects xnau webdesign Participants Database. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.41%, higher than 35% of scored CVEs.

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Every CVE for xnau webdesign Participants Database

Exploited in the last 30 days

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.

CVSS: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-502
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.41% (percentile 35)
Assigned by: Patchstack
NVD analysis: Deferred
Record last updated: Oct 23, 2026
First seen by InfoSec Signals: Oct 23, 2026

Affected products

Affected products

xnau webdesign Participants Database xnau_webdesign:participants_database (from the name)	through 2.7.8.5	CNA record

References

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	vdb-entry

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.