What is CVE-2026-86442?

CVE-2026-86442 is a high-severity vulnerability in Wp Event Manager, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.2/10. Published 2026-11-05.

How severe is CVE-2026-86442?

High severity. CVSS v3 base score is 8.2 out of 10.

Auth bypass in Wp Event Manager

CVE-2026-86442

The WP Event Manager WordPress plugin before 3.4.2 does not verify the ownership or the post type of a user supplied post identifier in its front-end event submission flow, allowing unauthenticated attackers to read and overwrite the content of arbitrary unpublished posts and pages, and to convert them into events.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-11-05 · last modified 2026-11-06.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Wp Event Manager

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

wpscan.com/vulnerability/bcc4df7e-86a0-4614-9b3a-8629f6335b8a/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-86442?: CVE-2026-86442 is a high-severity vulnerability in Wp Event Manager, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.2/10. Published 2026-11-05.
How severe is CVE-2026-86442?: High severity. CVSS v3 base score is 8.2 out of 10.