CVE-2026-63683

Deferred Deferred - Pending Action

IP Spoofing via Trusted Forwarded Headers in Joomla

Publication date: 2026-07-22

Last updated on: 2026-07-27

Assigner: Joomla! Project

Description

Joomla Extension - regularlabs.com - Client IP spoofing vulnerability in Regular Labs conditions manager - IP and GeoIP conditions trusted spoofable forwarded headers, allowing remote clients to bypass location-based rules.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-07-22

Last Modified

2026-07-27

Generated

2026-08-12

AI Q&A

2026-07-23

EPSS Evaluated

2026-08-10

NVD

CVE-2026-63683

Affected Vendors & Products

Vendor	Product	Version / Range
regular_labs	conditions_manager	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-290	This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

Attack-Flow Graph

Executive Summary

This vulnerability involves IP and GeoIP conditions that rely on spoofable forwarded headers. Remote clients can manipulate these headers to bypass location-based security rules, potentially gaining unauthorized access or evading restrictions.

Impact Analysis

Attackers could exploit this to bypass geographic or IP-based access controls, leading to unauthorized access to restricted resources, data leaks, or evasion of security policies designed to protect sensitive systems.

Compliance Impact

This vulnerability may violate compliance requirements that mandate strict access controls based on location or IP, such as GDPR's data protection measures or HIPAA's access restrictions. Non-compliance could result in legal penalties or data breaches.

Mitigation Strategies

Update the Regular Labs Conditions Manager extension to the latest version as soon as possible. Review and restrict access to forwarded headers in your web server configuration to prevent IP spoofing. Monitor network traffic for unusual patterns that may indicate attempts to exploit this vulnerability.

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