Vulnerability · Published Sep 9, 2026 · Assigned by VulnCheck
CVE-2026-82530IP2Location Country Blocker < 2.45.0 Access Control Bypass via X-Real-IP Header
Medium 5.3
In plain English
A medium-severity authentication bypass by spoofing in IP2Location Country Blocker from IP2Location. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).
Official description
IP2Location Country Blocker plugin for WordPress before 2.45.0 contains an access control bypass vulnerability that allows unauthenticated remote attackers to circumvent IP-based restrictions by forging the X-Real-IP HTTP header. Attackers can set the X-Real-IP header to an allowlisted IP address to bypass page, link, or site-wide access restrictions and access otherwise-blocked resources.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IP2Location | IP2Location Country Blocker | 0 – before 2.45.0 |
Weakness: CWE-290 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
References
- Plugin Changelog release-notes
- https://www.vulncheck.com/advisories/ip2location-country-blocker-access-control-bypass-via-x-real-ip-header third-party-advisory