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CVE-2026-8181

CRITICAL
9.8
CVSS 3.1
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.

Metadata

CVE ID
CVE-2026-8181
State
PUBLISHED
Assigner
Wordfence
Reserved
2026-05-08 16:24 UTC
Published
2026-05-14 05:30 UTC
Last updated
2026-05-14 10:46 UTC
Primary CWE
CWE-287
CWE-287 Improper Authentication
Vendor / Product
burstbv / Burst Statistics – Privacy-Friendly WordPress Analytics (Google Analytics Alternative)
Sources
cve.org  ·  NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC — CISA Coordinator
Exploitation
none
Automatable
yes
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
burstbv Burst Statistics – Privacy-Friendly WordPress Analytics (Google Analytics Alternative) — 3.4.0 ≤ 3.4.1.1
Weakness (CWE)
CWESourceDescription
CWE-287 cna CWE-287 Improper Authentication
CVSS scores (1)
ScoreSeverityVersionSourceVector
9.8 CRITICAL 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References (10)
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