---
id: CVE-2026-82530
title: >-
  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
summary: >-
  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. Attacke…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-290
vendor: IP2Location
product: IP2Location Country Blocker
affected:
  - country_blocker < 2.45.0
published: '2026-09-09'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T20:16:54.383'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-82530'
references:
  - url: 'https://wordpress.org/plugins/ip2location-country-blocker/#developers'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/ip2location-country-blocker-access-control-bypass-via-x-real-ip-header
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-09T14:29:23.210572Z'
ingestedAt: '2026-09-09T15:12:43.016Z'
epss: 0.00443
epssPercentile: 0.35921
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.