WP Fastest Cache < 0.8.4.9 - SQL Injection

9.8
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CVE CVE-2015-9316
CVSS 9.8 (Critical)
Publicly Published November 11, 2015
Last Updated January 22, 2024
Researcher Kacper Szurek

Description

The WP Fastest Cache plugin before 0.8.4.9 for WordPress has SQL injection in wp-admin/admin-ajax.php?action=wpfc_wppolls_ajax_request via the poll_id parameter.

Learn more about SQL Injection vulnerabilities and how to prevent them.

References

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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 0.8.4.9, or a newer patched version
Affected Version
  • < 0.8.4.9
Patched Version
  • 0.8.4.9

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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