CVE-2026-6963
published 2026-05-02CVE-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…
PriorityP261high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
0.40%
31.5th percentile
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.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| shahariaazam | wp_mail_gateway | <= 1.8 | — |
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VulDB
shahariaazam WP Mail Gateway Plugin up to 1.8 on WordPress Setting wmg_save_provider_config authorization
vuldb·2026-05-02·CVSS 8.8
CVE-2026-6963 [HIGH] shahariaazam WP Mail Gateway Plugin up to 1.8 on WordPress Setting wmg_save_provider_config authorization
A vulnerability was found in shahariaazam WP Mail Gateway Plugin up to 1.8 on WordPress. It has been rated as critical. Affected by this issue is the function wmg_save_provider_config of the component Setting Handler. Performing a manipulation results in missing authorization.
This vulnerability is identified as CVE-2026-6963. The attack can be initiated remotely. There is not any exploit available.
Upgrading the affected component is advised.
GHSA
GHSA-vqw4-hc5h-3hjf: 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 a
ghsa_unreviewed·2026-05-02
CVE-2026-6963 [HIGH] CWE-862 GHSA-vqw4-hc5h-3hjf: 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 a
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://plugins.trac.wordpress.org/browser/wp-mail-gateway/tags/1.8/src/Bootstrap.php#L47https://plugins.trac.wordpress.org/browser/wp-mail-gateway/tags/1.8/src/Functions.php#L111https://plugins.trac.wordpress.org/browser/wp-mail-gateway/trunk/src/Bootstrap.php#L47https://plugins.trac.wordpress.org/browser/wp-mail-gateway/trunk/src/Functions.php#L111https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3515205%40wp-mail-gateway&new=3515205%40wp-mail-gateway&sfp_email=&sfph_mail=https://www.wordfence.com/threat-intel/vulnerabilities/id/c7caf1f4-a8dd-4016-91eb-2adbeed5290a?source=cve
2026-05-02
Published