WP Fastest Cache <= 0.9.0.2 - Authenticated (Subscriber+) Arbitrary File Deletion

8.0
Cross-Site Request Forgery (CSRF)
CVE CVE-2020-36836
CVSS 8.0 (High)
Publicly Published February 5, 2020
Last Updated October 24, 2024
Researcher Glyn Wintle

Description

The WP Fastest Cache plugin for WordPress is vulnerable to unauthorized arbitrary file deletion in versions up to, and including, 0.9.0.2 due to a lack of capability checking and insufficient path validation. This makes it possible for authenticated users with minimal permissions to delete arbitrary files from the server.

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Vulnerability Details for WP Fastest Cache – WordPress Cache Plugin

Software Type Plugin
Software Slug wp-fastest-cache (view on wordpress.org)
Patched? Yes
Remediation Update to version 0.9.0.3, or a newer patched version
Affected Version
  • < 0.9.0.3
Patched Version
  • 0.9.0.3

Recent vulnerabilities in WP Fastest Cache – WordPress Cache Plugin

# Title CVE ID CVSS Researchers Date
1 WP Fastest Cache – WordPress Cache Plugin 0.8.7.7 - 1.5.0 - Unauthenticated Cache Poisoning CVE-2026-74916 6.1 Amity Gilmour August 26, 2026
2 WP Fastest Cache <= 1.5.0 - Unauthenticated Stored Cross-Site Scripting via HTTP Host Header CVE-2026-19760 7.2 Adrien Brunner August 25, 2026
3 Fastest Cache <= 1.5.0 - Unauthenticated Stored Cross-Site Scripting CVE-2026-74932 7.2 Jakub Herman August 25, 2026
4 WP Fastest Cache <= 1.4.0 - Missing Authorization to Authenticated (Subscriber+) DB Cleanup Actions CVE-2025-10476 4.3 Dmitrii Ignatyev November 26, 2025
5 WP Fastest Cache <= 1.2.6 - Authenticated (Administrator+) Arbitrary File Deletion CVE-2024-4347 7.2 shaman0x01 May 10, 2024
6 WP Fastest Cache <= 1.2.1 - Unauthenticated SQL Injection CVE-2023-6063 9.8 Alex Sanford November 13, 2023
7 WP Fastest Cache <= 1.1.4 - Authenticated(Administrator+) Blind Server Side Request Forgery via check_url CVE-2023-1938 6.5 Erwan LR May 2, 2023
8 WP Fastest Cache <= 1.1.2 - Cross-Site Request Forgery via 'wpfc_clear_cache_of_allsites_callback' CVE-2023-1925 4.3 Marco Wotschka April 6, 2023
9 WP Fastest Cache <= 1.1.2 - Cross-Site Request Forgery via 'deleteCssAndJsCacheToolbar' CVE-2023-1927 4.3 Marco Wotschka April 6, 2023
10 WP Fastest Cache <= 1.1.2 - Cross-Site Request Forgery via 'wpfc_pause_cdn_integration_ajax_request_callback' CVE-2023-1922 4.3 Marco Wotschka April 6, 2023

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