Auth bypass in Gembooking
CVE-2026-123131
The GemBooking WordPress plugin before 1.7.1 does not properly verify that a REST request is addressed to its own routes before temporarily granting staff users administrative capabilities, allowing users with the GemBooking WordPress plugin before 1.7.1's Staff role to delete arbitrary posts and update the site's settings.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H.
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
- Gembooking
Weakness classification (CWE)
References
- wpscan.com/vulnerability/46507e6e-6a76-4842-966c-51cf87cb13c3/ (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-123131?
- CVE-2026-123131 is a medium-severity vulnerability in Gembooking, classified under Incorrect Authorization. CVSS score: 5.9/10. Published 2026-11-09.
- How severe is CVE-2026-123131?
- Medium severity. CVSS v3 base score is 5.9 out of 10.