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9.8

CVE-2026-8181: Burst Statistics plugin for WordPress allows unauthorized access

CVE-2026-8181
Summary

An attacker can use a known administrator username to pretend to be that administrator and gain access to the WordPress site. This can lead to unauthorized changes or actions on the site. Website administrators should update the Burst Statistics plugin to the latest version to fix this issue.

Original title
The Burst Statistics – Privacy-Friendly WordPress Analytics (Google Analytics Alternative) plugin for WordPress is vulnerable to Authentication Bypass in versions 3.4.0 to 3.4.1.1. This is due to i...
Original description
The Burst Statistics – Privacy-Friendly WordPress Analytics (Google Analytics Alternative) plugin for WordPress is vulnerable to Authentication Bypass in versions 3.4.0 to 3.4.1.1. This is due to incorrect return-value handling in the `is_mainwp_authenticated()` function when validating application passwords from the Authorization header. This makes it possible for unauthenticated attackers, with knowledge of an administrator username, to impersonate that administrator for the duration of the request by supplying any random Basic Authentication password achieving privilege escalation.
nvd CVSS3.1 9.8
Vulnerability type
CWE-287 Improper Authentication
Published: 14 May 2026 · Updated: 28 May 2026 · First seen: 14 May 2026