Privilege escalation in Ai Copilot
CVE-2026-9810
The AI Copilot WordPress plugin before 1.5.4 does not bind OAuth access tokens to a WordPress user, and accepts any valid token as an administrator session, allowing unauthenticated attackers who complete the public OAuth flow to execute privileged MCP tools as an administrator, including arbitrary user creation and role escalation.
Vulnerability class: Privilege Escalation
EPSS: 0.005 (40.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Unknown Ai Copilot — versions 0
Weakness classification (CWE)
References
- contact@wpscan.com (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-9810?
- CVE-2026-9810 is a critical-severity vulnerability in Ai Copilot, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2026-07-17.
- How severe is CVE-2026-9810?
- Critical severity. CVSS v3 base score is 9.8 out of 10.