CVE-2026-66634 WordPress Modal Survey plugin <= 2.0.2.2.3 - Insecure Direct Object References (IDOR) vulnerability
Subscribers can access or modify other users' data due to missing authorization checks in the Modal Survey plugin.
- 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-2026-66634?
CVE-2026-66634 is a medium-severity missing authorization vulnerability in Pantherius Modal Survey, published on 18 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Subscriber Insecure Direct Object References (IDOR) in Modal Survey <= 2.0.2.2.3 versions.
Weakness: CWE-639
Which versions are affected by CVE-2026-66634?
How do I fix CVE-2026-66634?
No fix has been published for CVE-2026-66634 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-2026-66634 being exploited?
There is no known exploitation of CVE-2026-66634 in the wild and no public exploit code.
Sources
Also known as GHSA-rw2p-4p8x-xgf7.