Auth bypass in Shahariaazam Wp Mail Gateway
CVE-2026-6963
The WP Mail Gateway plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the wmg_save_provider_config AJAX action in all versions up to, and including, 1.8. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update SMTP settings and redirect mail which can be used for privilege escalation by triggering a password reset email and using that to access and administrator's account.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (44.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.006 · change: +0.002
Affected products
- Shahariaazam Wp Mail Gateway — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/c7caf1f4-a8dd-4016-91eb-2adbe…
- plugins.trac.wordpress.org/browser/wp-mail-gateway/trunk/src/Functions.php
- plugins.trac.wordpress.org/browser/wp-mail-gateway/tags/1.8/src/Functions.php
- plugins.trac.wordpress.org/browser/wp-mail-gateway/trunk/src/Bootstrap.php
- plugins.trac.wordpress.org/browser/wp-mail-gateway/tags/1.8/src/Bootstrap.php
- plugins.trac.wordpress.org/changeset
Frequently asked questions
- What is CVE-2026-6963?
- CVE-2026-6963 is a high-severity vulnerability in Shahariaazam Wp Mail Gateway, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-05-02.
- How severe is CVE-2026-6963?
- High severity. CVSS v3 base score is 8.8 out of 10.