CVE-2026-6963
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Weakness
- CWE-862 · Missing authorization
- Record status
- Deferred
Attack profile CVSS 3.1 · 8.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://plugins.trac.wordpress.org/browser/wp-mail-gateway/tags/1.8/src/Bootstrap.php#L47
- https://plugins.trac.wordpress.org/browser/wp-mail-gateway/tags/1.8/src/Functions.php#L111
- https://plugins.trac.wordpress.org/browser/wp-mail-gateway/trunk/src/Bootstrap.php#L47
- https://plugins.trac.wordpress.org/browser/wp-mail-gateway/trunk/src/Functions.php#L111
- https://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