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.
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Fixes
Solution
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Workaround
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References
History
Sat, 02 May 2026 05:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | WP Mail Gateway <= 1.8 - Missing Authorization to Authenticated (Subscriber+) SMTP Configuration Modification via 'wmg_save_provider_config' AJAX Action | |
| Weaknesses | CWE-862 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: Wordfence
Published:
Updated: 2026-05-02T04:27:45.687Z
Reserved: 2026-04-24T15:46:42.755Z
Link: CVE-2026-6963
No data.
Status : Received
Published: 2026-05-02T05:16:01.250
Modified: 2026-05-02T05:16:01.250
Link: CVE-2026-6963
No data.
OpenCVE Enrichment
Updated: 2026-05-02T10:15:16Z
Weaknesses