CVE-2026-107120 Contest Gallery < 33.0.1 - Unauthenticated Email Verification Bypass via Brute-Forceable Registration PIN
Unauthenticated attackers can brute-force registration PINs to create accounts and gain authenticated sessions in Contest Gallery 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-2026-107120?
CVE-2026-107120 is a medium-severity authentication bypass vulnerability in Unknown Contest Gallery, published on 10 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Contest Gallery WordPress plugin before 33.0.1 does not limit the number of attempts against its front-end registration email-verification step, which relies on a short numeric PIN, allowing unauthenticated attackers to brute-force the PIN and create and activate a WordPress account bound to an email address they do not own, gaining an authenticated session.
Weakness: CWE-287
Which versions are affected by CVE-2026-107120?
How do I fix CVE-2026-107120?
No fix has been published for CVE-2026-107120 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-107120 being exploited?
There is no known exploitation of CVE-2026-107120 in the wild and no public exploit code.
Sources
Also known as GHSA-4prj-22r4-mcwx.