CVE-2026-91010 Invisible Anti-Spam & CAPTCHA < 5.1.1 - Subscriber+ Arbitrary Form Submission Deletion
Authenticated subscribers can permanently delete all form submissions due to missing capability checks in the plugin's AJAX action.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-91010?
CVE-2026-91010 is a medium-severity missing authorization vulnerability in Unknown Invisible Anti-Spam & CAPTCHA — reCAPTCHA Alternative for All Forms, published on 17 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Invisible Anti-Spam & CAPTCHA — reCAPTCHA Alternative for All Forms WordPress plugin before 5.1.1 does not check the user's capabilities in its message deletion AJAX action, and only tests that a nonce parameter is present rather than validating it, allowing any authenticated user, such as a subscriber, to permanently delete every form submission the Invisible Anti-Spam & CAPTCHA — reCAPTCHA Alternative for All Forms WordPress plugin before 5.1.1 has stored.
Weakness: CWE-862
Which versions are affected by CVE-2026-91010?
How do I fix CVE-2026-91010?
No fix has been published for CVE-2026-91010 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-2026-91010 being exploited?
There is no known exploitation of CVE-2026-91010 in the wild and no public exploit code.
Sources
Also known as GHSA-rfgp-h9r2-p373.