W3 Total Cache <= 2.9.3 - Unauthenticated Dynamic Security Token Disclosure

The W3 Total Cache WordPress plugin through version 2.9.3 skips its entire output buffering and processing pipeline whenever an incoming request's User-Agent header contains the string "W3 Total Cache", without authenticating the caller. On sites that use developer-placed dynamic fragment tags, t...

WordPress W3 Total Cache <2.1.5 - Cross-Site Scripting

WordPress W3 Total Cache plugin before 2.1.5 is susceptible to cross-site scripting via the extension parameter in the Extensions dashboard, when the setting 'Anonymously track usage to improve product quality' is enabled. The parameter is output in a JavaScript context without proper escaping...

W3 Total Cache < 2.8.2 - Log File Exposure

The plugin is vulnerable to Information Exposure through the publicly exposed debug log file. This makes it possible for unauthenticated attackers to view potentially sensitive information in the exposed log file. For example, the log file may contain nonce values that can be used in further CSRF...

W3 Total Cache <= 2.9.4 - Unauthenticated Arbitrary File Read

W3 Total Cache WordPress plugin = 2.9.4 contains a directory traversal caused by improper handling in setupSources function, letting unauthenticated attackers read arbitrary files, exploit requires manual minify mode enabled with specific filename. id: CVE-2026-9282 info: name: W3 Total Cache =...

WordPress W3 Total Cache plugin < 2.10.5 - Unauthenticated Arbitrary Directory File Write and .htaccess Overwrite via Path Traversal in the Page Cache Key vulnerability

Unauthenticated Arbitrary Directory File Write and .htaccess Overwrite via Path Traversal in the Page Cache Key vulnerability discovered by Jakub Herman in WordPress Plugin W3 Total Cache versions 2.10.5...

CVE-2026-18051

The W3 Total Cache WordPress plugin before 2.10.5 does not properly validate the request path it uses to build cache file names, allowing unauthenticated attackers to write a file into any existing directory on the server, inside or outside the web root, overwriting whatever occupies the target...

CVE-2026-18051 W3 Total Cache < 2.10.5 - Unauthenticated Arbitrary Directory File Write and .htaccess Overwrite via Path Traversal in the Page Cache Key

The W3 Total Cache WordPress plugin before 2.10.5 does not properly validate the request path it uses to build cache file names, allowing unauthenticated attackers to write a file into any existing directory on the server, inside or outside the web root, overwriting whatever occupies the target...

EUVD-2026-62277

The W3 Total Cache WordPress plugin before 2.10.5 does not properly validate the request path it uses to build cache file names, allowing unauthenticated attackers to write a file into any existing directory on the server, inside or outside the web root, overwriting whatever occupies the target...

CVE-2026-18051

The W3 Total Cache WordPress plugin before 2.10.5 fails to validate the page cache key request path, enabling unauthenticated attackers to perform path traversal and write or overwrite arbitrary files anywhere on the server, including .htaccess on Apache. CVSS 10.0 (Critical) reflects no auth, no...

WordPress W3 Total Cache plugin <= 2.10.3 - Unauthenticated Stored Cross-Site Scripting via Comment Author Name vulnerability

Unauthenticated Stored Cross-Site Scripting via Comment Author Name vulnerability discovered by daroo in WordPress Plugin W3 Total Cache versions = 2.10.3...

CVE-2026-18109

The W3 Total Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Author Name in all versions up to, and including, 2.10.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web script...

CVE-2026-18109

The CVE-2026-18109 entry concerns the W3 Total Cache WordPress plugin. A Stored Cross-Site Scripting vulnerability exists in all versions up to and including 2.10.3 due to insufficient input sanitization and output escaping, allowing unauthenticated attackers to inject scripts that execute when u...

CVE-2026-18109 W3 Total Cache <= 2.10.3 - Unauthenticated Stored Cross-Site Scripting via Comment Author Name

The W3 Total Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Author Name in all versions up to, and including, 2.10.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web script...

EUVD-2026-58570

The W3 Total Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Author Name in all versions up to, and including, 2.10.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web script...

CVE-2026-66695

Unauthenticated Path Traversal in W3 Total Cache = 2.10.2 versions...

CVE-2026-66695 WordPress W3 Total Cache plugin <= 2.10.2 - Path Traversal vulnerability

Unauthenticated Path Traversal in W3 Total Cache = 2.10.2 versions...

EUVD-2026-53902

Unauthenticated Path Traversal in W3 Total Cache = 2.10.2 versions...

WordPress W3 Total Cache plugin <= 2.10.2 - Path Traversal vulnerability

Path Traversal vulnerability discovered by Mykel Nelson in WordPress Plugin W3 Total Cache versions = 2.10.2...

WordPress W3 Total Cache plugin <= 2.9.4 - Unauthenticated Arbitrary File Read vulnerability

Unauthenticated Arbitrary File Read vulnerability discovered by snr in WordPress Plugin W3 Total Cache versions = 2.9.4...

EUVD-2026-43164

The W3 Total Cache plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 2.9.4 via the setupSources function. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive...