WordPress 4.5.31
WordPress 4.5.31 has 13 disclosed vulnerabilities in the WordSec catalog, reported between 2012 and 2025; all 13 are fixed as of August 2026. Their average CVSS score is 6.3, and the most serious one scores 8.8 out of 10. Severity breakdown: 0 critical and 4 high. 2016 was the busiest year with 3 disclosures.
The most common weakness is Uncontrolled Resource Consumption, behind 2 of the records (15%). Other recurring categories include Cross-Site Request Forgery (CSRF), Cross-Site Scripting.
Every one of the 13 issues recorded for WordPress 4.5.31 has a vendor fix available, so running the current release closes all known holes.
9 independent researchers contributed these findings, one record each.
CVE-2017-1000600WordPress Core < 4.9 - Insecure Deserialization
Read the full analysisVulnerability Records
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