WordPress 4.2.28
WordPress 4.2.28 has 55 disclosed vulnerabilities in the WordSec catalog, reported between 2012 and 2025; all 55 are fixed as of August 2026. Their average CVSS score is 6.4, and the most serious one scores 9.8 out of 10. Severity breakdown: 2 critical and 17 high. 2022 was the busiest year with 20 disclosures.
The most common weakness is Cross-Site Scripting, behind 14 of the records (25%). Other recurring categories include Cross-Site Request Forgery (CSRF), Exposure Of Sensitive Information To An Unauthorized Actor.
Every one of the 55 issues recorded for WordPress 4.2.28 has a vendor fix available, so running the current release closes all known holes.
35 independent researchers contributed these findings, most of them (5) reported by Alex Concha.
WordPress Core < 6.0.3 - SQL Injection via WP_Date_Query
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