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its front-end event submission flow, allowing unauthenticated attackers to read and overwrite the content of arbitrary unpublished posts and pages, and to convert them into events.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 · last modified .
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
EPSS: 0.002 (9.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
The 30-day trend appears once there are two daily scores.
Affected products
- Wp Event Manager
Weakness classification (CWE)
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.