Live Vulnerability Intelligence
Threat Database
Search CVEs, inspect descriptions, and open detail pages with AI-assisted technical context.
Threat Entry
Updated 2026-11-02
W3 Total Cache - Security Vulnerability (CVE-2026-120019)
The W3 Total Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'comment' parameter in all versions up to, and including, 2.10.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This requires HTML Minify to be enabled with the default 'mfunc' entry present in the ignored-comment stems list, and exploitation depends on the attacker predicting the md5(time()) placeholder namespace by reading the server…
PLUGIN
W3 Total Cache
CVE-2026-120019
Risk Score
Threat Entry
Updated 2026-11-02
W3 Total Cache - Security Vulnerability (CVE-2026-111254)
The W3 Total Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'comment' parameter in all versions up to, and including, 2.10.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires that a Pro license was previously active with REST caching enabled and has since become inactive while Disk Enhanced page caching remains configured, and that the attacker holds a previously approved…
PLUGIN
W3 Total Cache
CVE-2026-111254
Risk Score
Threat Entry
Updated 2026-10-26
W3 Total Cache - Security Vulnerability (CVE-2026-114178)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Bold Grid W3 Total Cache w3-total-cache allows Stored XSS.This issue affects W3 Total Cache: from n/a through 2.10.7.
PLUGIN
W3 Total Cache
CVE-2026-114178
Risk Score
Threat Entry
Updated 2026-10-10
W3 Total Cache - Security Vulnerability (CVE-2026-107321)
The W3 Total Cache WordPress plugin before 2.10.6 does not confine a media-import file copy to the document root, nor enforce an effective file-type restriction on it, allowing users with the Author role or higher to plant content that, once an administrator runs the import, copies an arbitrary server-readable file into a publicly served directory, exposing it to unauthenticated retrieval.
PLUGIN
W3 Total Cache
CVE-2026-107321
Risk Score
Threat Entry
Updated 2026-10-03
W3 Total Cache - Security Vulnerability (CVE-2026-87920)
The W3 Total Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content via Output-Buffer Regex Rewrite in all versions up to, and including, 2.10.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This vulnerability is only exploitable when the 'Remove query strings from static resources' option is enabled in W3 Total Cache, as mutate_url() must strip the '?' delimiter and everything following…
PLUGIN
W3 Total Cache
CVE-2026-87920
Risk Score
Threat Entry
Updated 2026-09-08
W3 Total Cache - Cross-Site Scripting (XSS) (CVE-2026-78438)
The W3 Total Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content via LazyLoad Background Mutator in all versions up to, and including, 2.10.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This requires the "Lazy Load Images" feature with "Process background images" to be enabled, and the malicious comment to be approved by a moderator before execution is triggered.
PLUGIN
W3 Total Cache
CVE-2026-78438
Risk Score
Threat Entry
Updated 2026-11-09
W3 Total Cache - Security Vulnerability (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 name. On Apache, the same flaw overwrites the site's .htaccess files, which breaks the site and can strip hardening rules that other security measures rely on.
PLUGIN
W3 Total Cache
CVE-2026-18051
Risk Score
Threat Entry
Updated 2026-08-14
W3 Total Cache - Cross-Site Scripting (XSS) (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 scripts in pages that will execute whenever a user accesses an injected page. This vulnerability is only exploitable when the Lazy Load Images feature of W3 Total Cache is enabled, as the unsafe re-emission occurs exclusively within the LazyLoad mutator's img tag rewriting step.
PLUGIN
W3 Total Cache
CVE-2026-18109
Risk Score
Threat Entry
Updated 2026-08-12
W3 Total Cache - Path Traversal (CVE-2026-66695)
Unauthenticated Path Traversal in W3 Total Cache
PLUGIN
W3 Total Cache
CVE-2026-66695
Risk Score
Threat Entry
Updated 2026-07-14
W3 Total Cache - Path Traversal (CVE-2026-9282)
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 information. Exploitation requires enabling manual minify mode and supplying a manual-format minify filename so that the hash is empty and the f_array[] entries are not overwritten before reaching setupSources().
PLUGIN
W3 Total Cache
CVE-2026-9282
Risk Score
Threat Entry
Updated 2026-07-02
W3 Total Cache - Remote Code Execution (CVE-2026-57623)
Unauthenticated Arbitrary Code Execution in W3 Total Cache
PLUGIN
W3 Total Cache
CVE-2026-57623
Risk Score
Threat Entry
Updated 2026-06-17
W3 Total Cache - Broken Access Control (CVE-2026-39595)
Author Broken Access Control in W3 Total Cache
PLUGIN
W3 Total Cache
CVE-2026-39595
Risk Score
Threat Entry
Updated 2026-06-17
W3 Total Cache - Remote Code Execution (CVE-2026-5032)
The W3 Total Cache plugin for WordPress is vulnerable to information exposure in all versions up to, and including, 2.9.3. This is due to the plugin bypassing its entire output buffering and processing pipeline when the request's User-Agent header contains "W3 Total Cache", which causes raw mfunc/mclude dynamic fragment HTML comments — including the W3TC_DYNAMIC_SECURITY security token — to be rendered in the page source. This makes it possible for unauthenticated attackers to discover the value of the W3TC_DYNAMIC_SECURITY constant by sending a crafted User-Agent header to any page that…
PLUGIN
W3 Total Cache
CVE-2026-5032
Risk Score
Threat Entry
Updated 2026-06-17
W3 Total Cache - Improper Input Validation (CVE-2026-27384)
Improper Validation of Specified Quantity in Input vulnerability in BoldGrid W3 Total Cache w3-total-cache allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects W3 Total Cache: from n/a through
PLUGIN
W3 Total Cache
CVE-2026-27384
Risk Score
Threat Entry
Updated 2026-06-17
W3 Total Cache - Security Vulnerability (CVE-2025-9501)
The W3 Total Cache WordPress plugin before 2.8.13 is vulnerable to command injection via the _parse_dynamic_mfunc function, allowing unauthenticated users to execute PHP commands by submitting a comment with a malicious payload to a post.
PLUGIN
W3 Total Cache
CVE-2025-9501
Risk Score
Threat Entry
Updated 2026-06-17
W3 Total Cache - Information Disclosure (CVE-2024-12365)
The W3 Total Cache plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the is_w3tc_admin_page function in all versions up to, and including, 2.8.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to obtain the plugin's nonce value and perform unauthorized actions, resulting in information disclosure, service plan limits consumption as well as making web requests to arbitrary locations originating from the web application that can be used to query information from internal services, including instance metadata on…
PLUGIN
W3 Total Cache
CVE-2024-12365
Risk Score
Threat Entry
Updated 2026-06-17
W3 Total Cache - Cross-Site Request Forgery (CSRF) (CVE-2024-12008)
The W3 Total Cache plugin for WordPress is vulnerable to Information Exposure in all versions up to, and including, 2.8.1 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 attacks. Note: the debug feature must be enabled for this to be a concern, and it is disabled by default.
PLUGIN
W3 Total Cache
CVE-2024-12008
Risk Score
Threat Entry
Updated 2026-06-17
W3 Total Cache - Broken Access Control (CVE-2024-12006)
The W3 Total Cache plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on several functions in all versions up to, and including, 2.8.1. This makes it possible for unauthenticated attackers to deactivate the plugin as well as activate and deactivate plugin extensions.
PLUGIN
W3 Total Cache
CVE-2024-12006
Risk Score
Threat Entry
Updated 2026-06-17
W3 Total Cache - Information Disclosure (CVE-2023-5359)
The W3 Total Cache plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 2.7.5 via Google OAuth API secrets stored in plaintext in the publicly visible plugin source. This can allow unauthenticated attackers to impersonate W3 Total Cache and gain access to user account information in successful conditions. This would not impact the WordPress users site in any way.
PLUGIN
W3 Total Cache
CVE-2023-5359
Risk Score
Threat Entry
Updated 2026-06-17
W3 Total Cache - Cross-Site Scripting (XSS) (CVE-2021-24452)
The W3 Total Cache WordPress plugin before 2.1.5 was affected by a reflected Cross-Site Scripting (XSS) issue within the "extension" parameter in the Extensions dashboard, when the 'Anonymously track usage to improve product quality' setting is enabled, as the parameter is output in a JavaScript context without proper escaping. This could allow an attacker, who can convince an authenticated admin into clicking a link, to run malicious JavaScript within the user's web browser, which could lead to full site compromise.
PLUGIN
W3 Total Cache
CVE-2021-24452
Risk Score