CVE-2026-106166 NEX-Forms 9.2.1 - 9.2.5 - Unauthenticated Arbitrary Form Entry Modification via 'nf_set_entry_update_id' Parameter
Unauthenticated attackers can modify, erase, or reassign any form entry in NEX-Forms by manipulating the entry ID parameter.
- 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-2026-106166?
CVE-2026-106166 is a medium-severity missing authorization vulnerability in Unknown NEX-Forms, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The NEX-Forms WordPress plugin before 9.3.1 does not perform any authorization, ownership or request-validation checks before updating stored form entries, allowing unauthenticated attackers to overwrite, permanently erase, reassign or append to any previously submitted form entry by referencing its sequential identifier.
Weakness: CWE-639
Which versions are affected by CVE-2026-106166?
How do I fix CVE-2026-106166?
No fix has been published for CVE-2026-106166 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-2026-106166 being exploited?
There is no known exploitation of CVE-2026-106166 in the wild and no public exploit code.
Sources
Also known as GHSA-wp3w-fh35-w7pm.