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Home - Vulnerability NotesPrint
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CERT-In Vulnerability Note CIVN-2026-0244
Authentication Bypass Vulnerability in Burst Statistics plugin of Wordpress

Original Issue Date:May 19, 2026

Severity Rating: CRITICAL

Software Affected

  • WordPress plugin Burst Statistics versions 3.4.0 to 3.4.1.1

Overview

A critical vulnerability has been reported in the Burst Statistics plugin for WordPress that could allow a remote attacker to bypass security restrictions on the targeted system.

Target Audience:
WordPress website owners, administrators, developers, and hosting providers using the Burst Statistics plugin.

Risk Assessment:
Very high risk of authentication bypass, privilege escalation, and unauthorized administrative access.

Impact Assessment:
Potential impact on confidentiality, integrity, and availability of the affected system.

Description

Burst Statistics is a privacy-focused analytics plugin for WordPress designed as an alternative to traditional analytics solutions.

A critical vulnerability exists in the Burst Statistics plugin for WordPress due to improper handling of authorization header in the "is_mainwp_authenticated()" function. A remote attacker with knowledge of an administrator username could exploit this vulnerability by supplying any random Basic Authentication password.

Successful exploitation of this vulnerability could allow a remote attacker to impersonate an administrator for the duration of the request and achieve privilege escalation on the targeted system.

Solution

Apply appropriate updates as mentioned:
https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/burst-statistics/burst-statistics-340-3411-authentication-bypass-to-admin-account-takeover

Vendor Information

Burst Statistics
https://github.com/Burst-Statistics/burst-statistics

References

 
https://www.wordfence.com/blog/2026/05/200000-wordpress-sites-at-risk-from-critical-authentication-bypass-vulnerability-in-burst-statistics-plugin/
https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/burst-statistics/burst-statistics-340-3411-authentication-bypass-to-admin-account-takeover
https://github.com/advisories/GHSA-qv3x-rrx4-9pmh

CVE Name
CVE-2026-8181

Disclaimer

The information provided herein is on "as is" basis, without warranty of any kind.

Contact Information

Email: info@cert-in.org.in
Phone: +91-11-22902657

Postal address

Indian Computer Emergency Response Team (CERT-In)
Ministry of Electronics and Information Technology
Government of India
Electronics Niketan
6, CGO Complex, Lodhi Road,
New Delhi - 110 003
India

 
Indian Computer Emergency Response Team - CERT-In, Ministry of Electronics and Information Technology, Government of India.
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