WordPress 3.9.5
WordPress 3.9.5 has 168 disclosed vulnerabilities in the WordSec catalog, reported between 2012 and 2025; all 168 are fixed as of August 2026. Their average CVSS score is 6.3, and the most serious one scores 9.8 out of 10. Severity breakdown: 6 critical and 35 high. 2017 was the busiest year with 40 disclosures.
The most common weakness is Cross-Site Scripting, behind 69 of the records (41%). Other recurring categories include Improper Authorization, Cross-Site Request Forgery (CSRF).
Every one of the 168 issues recorded for WordPress 3.9.5 has a vendor fix available, so running the current release closes all known holes.
95 independent researchers contributed these findings, most of them (10) reported by Simon Scannell.
WordPress Core < 6.0.3 - SQL Injection via WP_Date_Query
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