Geo Controller <= 8.6.4 - Unauthenticated PHP Object Injection via shortcode REST API Route

8.8
Deserialization of Untrusted Data
CVE CVE-2024-3591
CVSS 8.8 (High)
Publicly Published February 10, 2024
Last Updated August 6, 2024
Researcher fuyoumingyan

Description

The Geo Controller plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 8.6.4 via deserialization of untrusted input supplied via the '/cache/shortcode' REST API route. This makes it possible for unauthenticated attackers to inject a PHP Object. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code. CVE-2024-30227 is likely a duplicate of this issue.

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Vulnerability Details for Geo Controller

Software Type Plugin
Software Slug cf-geoplugin (view on wordpress.org)
Patched? Yes
Remediation Update to version 8.6.5, or a newer patched version
Affected Version
  • <= 8.6.4
Patched Version
  • 8.6.5

Recent vulnerabilities in Geo Controller

# Title CVE ID CVSS Researchers Date
1 Geo Controller <= 8.9.8 - Unauthenticated PHP Object Injection CVE-2026-78286 8.1 Supakiad S. August 25, 2026
2 Geo Controller <= 8.9.5 - Unauthenticated Information Exposure CVE-2025-62109 5.3 Nabil Irawan December 8, 2025
3 Geo Controller <= 8.7.3 - Missing Authorization to Authenticated (Subscriber+) Menu Creation/Deletion CVE-2024-7380 4.3 Lucio Sá September 4, 2024
4 Geo Controller <= 8.6.9 - Missing Authorization to Unauthenticated Shortcode Execution CVE-2024-7381 5.3 Lucio Sá September 4, 2024
5 Geo Controller <= 8.6.4 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-30451 6.4 LVT-tholv2k March 28, 2024
6 Geo Controller <= 8.5.2 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2023-51513 6.4 Ngô Thiên An (ancorn_) October 4, 2023
7 WordPress Geolocation Plugin – CF Geo Plugin <= 7.13.11 - Reflected Cross-Site Scripting 6.1 WPScanTeam August 31, 2021

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