Auth bypass in Atomchat Group Chat & Video By
CVE-2026-1253
The Group Chat & Video Chat by AtomChat plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'atomchat_update_auth_ajax' and 'atomchat_update_layout_ajax' functions in all version…
Vulnerability class: Broken Access Control
EPSS: 0.001 (24.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Atomchat Group Chat & Video By — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-1253?
- CVE-2026-1253 is a medium-severity vulnerability in Atomchat Group Chat & Video By, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-03-21.
- How severe is CVE-2026-1253?
- Medium severity. CVSS v3 base score is 4.3 out of 10.