How severe is CVE-2026-8181?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2026-8181 known to be exploited?

11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Burstbv Burst Statistics – Privacy-friendly Wordpress Analytics (Google Alternative)

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_…

Vulnerability class: Broken Authentication

EPSS: 0.047 (89.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Burstbv Burst Statistics – Privacy-friendly Wordpress Analytics (Google Alternative) — versions 3.4.0

Weakness classification (CWE)

CWE-287 — Improper Authentication

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-8181?: CVE-2026-8181 is a critical-severity vulnerability in Burstbv Burst Statistics – Privacy-friendly Wordpress Analytics (Google Alternative), classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-05-14.
How severe is CVE-2026-8181?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2026-8181 known to be exploited?: 11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.