
Fastly Security & Risk Analysis
wordpress.org/plugins/fastlyIntegrates Fastly with WordPress publishing tools. This is the official Fastly plugin for WordPress. The official code repository for this plugin is a …
Is Fastly Safe to Use in 2026?
Generally Safe
Score 96/100Fastly has a strong security track record. Known vulnerabilities have been patched promptly.
The Fastly plugin v1.2.29 presents a mixed security posture. On the positive side, the static analysis reveals a robust implementation with all identified entry points (7 AJAX handlers) protected by authorization checks. The absence of raw SQL queries, reliance on prepared statements, and a high percentage of properly escaped outputs are excellent security practices. Furthermore, the plugin demonstrates good security awareness with a substantial number of nonce checks. However, the presence of two unsanitized path flows in the taint analysis, even without critical or high severity, suggests potential vulnerabilities that could be exploited if certain conditions are met. The historical vulnerability data is concerning, with four known medium-severity CVEs in the past, primarily related to Cross-Site Request Forgery, Missing Authorization, and Cross-Site Scripting. While there are currently no unpatched vulnerabilities, this history indicates a pattern of past security weaknesses that, while addressed, still warrant attention. The plugin has a history of issues that require careful monitoring and prompt patching of any future disclosures.
Key Concerns
- Taint flows with unsanitized paths detected
- History of medium severity vulnerabilities
Fastly Security Vulnerabilities
CVEs by Year
Severity Breakdown
4 total CVEs
Fastly <= 1.2.28 - Cross-Site Request Forgery
Fastly <= 1.2.25 - Missing Authorization
Fastly <= 1.2.25 - Missing Authorization via AJAX actions
Fastly <= 0.97 - Reflected Cross-Site Scripting
Fastly Code Analysis
Output Escaping
Data Flow Analysis
Fastly Attack Surface
AJAX Handlers 7
WordPress Hooks 18
Maintenance & Trust
Fastly Maintenance & Trust
Maintenance Signals
Community Trust
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Fastly Developer Profile
1 plugin · 1K total installs
How We Detect Fastly
Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.
Asset Fingerprints
/wp-content/plugins/fastly/js/admin.js/wp-content/plugins/fastly/js/settings.js/wp-content/plugins/fastly/js/fastly.js/wp-content/plugins/fastly/css/admin.css/wp-content/plugins/fastly/css/settings.css/wp-content/plugins/fastly/css/fastly.css/wp-content/plugins/fastly/js/admin.js/wp-content/plugins/fastly/js/settings.js/wp-content/plugins/fastly/js/fastly.jsfastly/js/admin.js?ver=fastly/js/settings.js?ver=fastly/js/fastly.js?ver=fastly/css/admin.css?ver=fastly/css/settings.css?ver=fastly/css/fastly.css?ver=HTML / DOM Fingerprints
fastly-settings-pagefastly-cache-tag-settingsfastly-purge-logsdata-fastly-api-urldata-fastly-purge-typedata-fastly-purge-idfastlyPurgelyAdminPurgelySettings/wp-json/fastly/v1/purge/wp-json/fastly/v1/logs