CVE-2026-87918

WPBot < 8.5.7 - Unauthenticated AI Provider API Abuse via Multiple AJAX Actions

The WPBot WordPress plugin before 8.5.7 does not perform any authorization or nonce check on several AJAX actions that relay prompts to its configured AI providers, allowing unauthenticated attackers to make those third-party API calls, and consume the associated cost, using the site's own configured API keys.

Affected

WPBot

CVSS v3.1 CNA

5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS

0.32% chance of exploitation in the next 30 days, 24th percentile

Published

2026-09-12

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/d6b3745b-bda1-4734-b39c-75376477ba0a/

References

• CVE Record
• NVD entry