CVE-2026-9810: Unknown Ai Copilot

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Unknown Ai Copilot: before 1.5.4 (fixed in 1.5.4)

Published 2026-07-17. Last modified 2026-07-17.