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CRITICAL

CVE-2026-8181

CVSS v3

9.8

CRITICAL

EPSS Score

3.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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 re

Technical details

Published
2026-05-14

Frequently asked questions

What is CVE-2026-8181?

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 re

Is CVE-2026-8181 actively exploited?

Active exploitation of CVE-2026-8181 has not been confirmed. Its EPSS score was 3.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-8181?

CVE-2026-8181 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2026-8181 affecting your environment?

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