CVE-2026-1675 Advanced Country Blocker <= 2.3.1 - Unauthenticated Authorization Bypass via Insecure Default Secret Key
Unauthenticated attackers can bypass geolocation blocking by using a predictable default secret key in the Advanced Country Blocker 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-2026-1675?
CVE-2026-1675 is a medium-severity authentication bypass vulnerability in brstefanovic Advanced Country Blocker, published on 7 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Advanced Country Blocker plugin for WordPress is vulnerable to Authorization Bypass in all versions up to, and including, 2.3.1 due to the use of a predictable default value for the secret bypass key created during installation without requiring users to change it. This makes it possible for unauthenticated attackers to bypass the geolocation blocking mechanism by appending the key to any URL on sites where the administrator has not changed the default value.
Weakness: CWE-1188
Which versions are affected by CVE-2026-1675?
How do I fix CVE-2026-1675?
No fix has been published for CVE-2026-1675 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-2026-1675 being exploited?
There is no known exploitation of CVE-2026-1675 in the wild and no public exploit code.
Sources
Also known as GHSA-73p7-57gm-896g.