Privilege escalation in Magepeopleteam Event Booking Manager For Woocommerce – Sell Tickets, Registration, Rsvp & Calendar

CVE-2026-109381

The Mage Eventpress plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 5.7.8 This is due to the mep_grant_shop_manager_access() function hooking user_has_cap and unconditionally granting manage_options whenever an attacker-controllable request marker matches — most notably $_GET['page'] starting with 'mep_' or 'mpwem_', which is never validated against an actually registered EventPress screen. This makes it possible for authenticated attackers, with Shop Manager-level access and above, to elevate their privileges to Administrator by appending ?page=mep_x to core admin URLs (options-general.

Vulnerability class: Privilege Escalation

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (37.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.3% 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-109381?
CVE-2026-109381 is a high-severity vulnerability in Magepeopleteam Event Booking Manager For Woocommerce – Sell Tickets, Registration, Rsvp & Calendar, classified under Improper Privilege Management. CVSS score: 7.2/10. Published 2026-10-28.
How severe is CVE-2026-109381?
High severity. CVSS v3 base score is 7.2 out of 10.