CVE-2026-78528Wordfence

Vulnerability Summary

The BerqWP – All-In-One Optimization for Core Web Vitals, Cache, CDN, Images, CSS & JavaScript plugin for WordPress is vulnerable to unauthorized access in all versions up to, and including, 4.1.15. This is due to a missing capability check on a function. This makes it possible for unauthenticated attackers to perform an unauthorized action.

Severity Level

MEDIUM(5.3)

Published Date

Sep 17, 2026

Last Modified

Sep 22, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.21%Probability

Root Weakness (CWE)

CWE-862: Missing Authorization ↗

The software does not perform an authorization check when an actor attempts to access a resource or perform an action.

CVSS v3.1 Base Metrics — Score 5.3 (MEDIUM)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityNone

IntegrityLow

AvailabilityNone

Affected & Patched Versions

Affected Versions

BerqWP – All-In-One Optimization for Core Web Vitals, Cache, CDN, Images, CSS & JavaScript * - 4.1.15

Patched Versions

BerqWP – All-In-One Optimization for Core Web Vitals, Cache, CDN, Images, CSS & JavaScript 1

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