CVE-2026-87918 WPBot < 8.5.7 - Unauthenticated AI Provider API Abuse via Multiple AJAX Actions
Unauthenticated attackers can abuse AI provider API keys via missing authorization checks in WPBot, causing financial loss through unauthorized API usage.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-87918?
CVE-2026-87918 is a medium-severity missing authorization vulnerability in Unknown WPBot, published on 12 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-284
Which versions are affected by CVE-2026-87918?
How do I fix CVE-2026-87918?
No fix has been published for CVE-2026-87918 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-87918 being exploited?
There is no known exploitation of CVE-2026-87918 in the wild and no public exploit code.
Sources
Also known as GHSA-54cr-fg97-fjjx.