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...
Product
BoldGrid W3 Total Cache vulnerabilities
25 published CVES affecting BoldGrid W3 Total Cache, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 25
- Critical
- 3
- High
- 13
- Medium
- 9
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Latest BoldGrid W3 Total Cache CVEs
Newest publication first
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MediumCVSS 5.4 EPSS 0.22%
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HighCVSS 7.2 EPSS 0.31%
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...
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HighCVSS 7.2 EPSS 0.24%
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 unauthentic...
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HighCVSS 7.2 EPSS 0.50%
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 unauthentic...
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HighCVSS 7.2 EPSS 0.43%
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 arb...
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MediumCVSS 6.5 EPSS 0.41%
Unauthenticated Path Traversal in W3 Total Cache <= 2.10.2 versions.
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HighCVSS 7.5 EPSS 2.9%
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 se...
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CVE-2026-57623 WordPress W3 Total Cache plugin <= 2.9.4 - Arbitrary Code Execution vulnerability
PublishedCriticalCVSS 9.0 EPSS 0.53%Unauthenticated Arbitrary Code Execution in W3 Total Cache <= 2.9.4 versions.
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CVE-2026-39595 WordPress W3 Total Cache plugin <= 2.9.1 - Broken Access Control vulnerability
PublishedMediumCVSS 4.7 EPSS 0.21%Author Broken Access Control in W3 Total Cache <= 2.9.1 versions.
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HighCVSS 7.5 EPSS 3.2%
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...
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CVE-2026-27384 WordPress W3 Total Cache plugin <= 2.9.1 - Arbitrary Code Execution vulnerability
PublishedCriticalCVSS 9.0 EPSS 0.36%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 <= 2.9.1.
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HighCVSS 7.5 EPSS 2.4%
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...
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MediumCVSS 5.3 EPSS 0.52%
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...
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HighCVSS 8.5 EPSS 1.8%
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...
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HighCVSS 7.5 EPSS 0.81%
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...
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MediumCVSS 6.1 EPSS 1.9%
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...
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CVE-2021-24436 W3 Total Cache < 2.1.4 - Reflected XSS in Extensions Page (Attribute Context)
PublishedMediumCVSS 6.1 EPSS 1.8%The W3 Total Cache WordPress plugin before 2.1.4 was vulnerable to a reflected Cross-Site Scripting (XSS) security vulnerability within the "extension" parameter in the Extensions dashboard, which is output in an attribute without being escaped first. This could allow an attacker...
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MediumCVSS 4.8 EPSS 0.62%
The W3 Total Cache WordPress plugin before 2.1.3 did not sanitise or escape some of its CDN settings, allowing high privilege users to use JavaScript in them, which will be output in the page, leading to an authenticated Stored Cross-Site Scripting issue
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CriticalCVSS 9.8 EPSS 73.9% Framework module Public exploit
WordPress W3 Total Cache Plugin 0.9.2.8 has a Remote PHP Code Execution Vulnerability
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HighCVSS 7.5 EPSS 2.1%
W3 Total Cache before 0.9.2.5 exposes sensitive cached database information which allows remote attackers to download this information via their hash keys.
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CVE-2012-6078 W3 Total Cache <= 0.9.2.4 - Insecure Cryptography to Sensitive Information Disclosure
PublishedHighCVSS 7.5 EPSS 2.3%W3 Total Cache before 0.9.2.5 generates hash keys insecurely which allows remote attackers to predict the values of the hashes.
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HighCVSS 7.5 EPSS 2.1%
W3 Total Cache before 0.9.2.5 allows remote attackers to retrieve password hash information due to insecure storage of database cache files.
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HighCVSS 7.5 EPSS 19.4%
pub/sns.php in the W3 Total Cache plugin before 0.9.4 for WordPress allows remote attackers to read arbitrary files via the SubscribeURL field in SubscriptionConfirmation JSON data.
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MediumCVSS 6.8 EPSS 1.4%
The W3 Total Cache plugin before 0.9.4.1 for WordPress does not properly handle empty nonces, which allows remote attackers to conduct cross-site request forgery (CSRF) attacks and hijack the authentication of administrators for requests that change the mobile site redirect URI v...
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MediumCVSS 4.3 EPSS 2.1%
Cross-site scripting (XSS) vulnerability in the W3 Total Cache plugin before 0.9.4.1 for WordPress, when debug mode is enabled, allows remote attackers to inject arbitrary web script or HTML via the "Cache key" in the HTML-Comments, as demonstrated by the PATH_INFO to the default...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.