CVE-2021-25095: IP2Location Country Blocker < 2.26.5 - Subscriber+ Arbitrary Country Ban

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-02-07 · updated 2026-06-17
Weakness: CWE-352

Description

The IP2Location Country Blocker WordPress plugin before 2.26.5 does not have authorisation and CSRF checks in the ip2location_country_blocker_save_rules AJAX action, allowing any authenticated users, such as subscriber to call it and block arbitrary country, or block all of them at once, preventing users from accessing the frontend.

Affected products

IP2Location Country Blocker: before 2.26.5 — fixed in 2.26.5

How to fix

Upgrade to a fixed version: IP2Location Country Blocker 2.26.5. Check the vendor advisory for mitigations.

References

https://plugins.trac.wordpress.org/changeset/2652469
https://wpscan.com/vulnerability/cbfa7211-ac1f-4cf2-bd79-ebce2fc4baa1
https://plugins.trac.wordpress.org/changeset/2652469
https://wpscan.com/vulnerability/cbfa7211-ac1f-4cf2-bd79-ebce2fc4baa1

Get alerted when CVE-2021-25095 or the next vulnerability affects your stack