CVE-2026-89331 FluentBoards 1.95 - 2.0.15 - Unauthenticated Board Member Email Address Disclosure via Public Board Endpoints
Unauthenticated attackers can disclose member email addresses from shared boards in the FluentBoards WordPress plugin.
- 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-2026-89331?
CVE-2026-89331 is a medium-severity vulnerability in Unknown FluentBoards, published on 23 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The FluentBoards WordPress plugin before 2.1.0 does not properly restrict the member data returned by its public, token-shared board feature, allowing unauthenticated users to disclose the email addresses of a shared board's members, typically including administrators.
Weakness: CWE-200
Which versions are affected by CVE-2026-89331?
How do I fix CVE-2026-89331?
No fix has been published for CVE-2026-89331 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-89331 being exploited?
There is no known exploitation of CVE-2026-89331 in the wild and no public exploit code.
Sources
Also known as GHSA-g2qq-c2w5-46xc.