CVE-2026-6963
Last modified
CVE-2026-6963 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-6963?
How severe is CVE-2026-6963?
How do I fix CVE-2026-6963?
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-6956ATutor is vulnerable to Reflected XSS in /install/install.ph…5.1
- CVE-2026-6957Mattermost Plugins versions <=1.1.5 fail to sanitize filenam…4.9
- CVE-2026-6959HashiCorp Nomad and Nomad Enterprise prior to 2.0.1 are vuln…6
- CVE-2026-6960The BookingPress Pro plugin for WordPress is vulnerable to a…9.8
- CVE-2026-6961Mattermost versions 11.6.x <= 11.6.1, 11.5.x <= 11.5.4, 10.1…7.6
- CVE-2026-6962The Cost of Goods: Product Cost & Profit Calculator for WooC…6.4
- CVE-2026-6964The Video Conferencing with Zoom plugin for WordPress is vul…5.3
- CVE-2026-6965The Tutor LMS – eLearning and online course solution plugin …5.3
- CVE-2026-69659Uncontrolled Resource Consumption vulnerability in ash-proje…5.9
- CVE-2026-6966Improper verification of cryptographic signature uniqueness …6.5
- CVE-2026-6967Missing expiration, hash, and length enforcement in delegate…6.5
- CVE-2026-6968Incomplete path traversal fixes in awslabs/tough before toug…6.5
Are you affected by CVE-2026-6963?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
