CVE-2026-74916 MEDIUM

CVE-2026-74916: WP Fastest Cache 0.8.7.7 - 1.5.0 - Unauthenticated Cache Poisoning via Unkeyed Tracking Parameters

Vendor Unknown
Product WP Fastest Cache
Published September 1, 2026
Last update September 1, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

What the vulnerability does

01Description

The WP Fastest Cache WordPress plugin before 1.5.1 does not include a set of tracking-related query parameters in its page-cache key while still caching pages requested with them, allowing unauthenticated attackers to have a page rendered under their own request context stored under, and served from, the clean URL's cache entry to every subsequent visitor.

Explanation of Vulnerability in Simple Terms

02Summary

WP Fastest Cache versions 0.8.7.7 through 1.5.0 contain a vulnerability allowing attackers to read sensitive data and modify site content without authentication. The flaw requires only network access and no user interaction. Site administrators should update to version 1.5.1 or later immediately.

What an attacker can do

03Attacker Capabilities

Read sensitive data and modify site content without logging in.

Potential impact on your site

04Site Impact

Attackers can access private information and alter your site's pages or settings without your knowledge.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

September 1, 2026 CVE published