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.

Strategic Overview

Avg CVSSMedium
6.3/ 10
Patch Coverage100%
Open

0

Fixed

13

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Highest severity on recordCVSS 8.8CVE-2017-1000600

WordPress Core < 4.9 - Insecure Deserialization

Read the full analysis

Vulnerability Records

13 records
Showing 1–10 of 13 reports

Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C