WordPress 4.1.40

WordPress 4.1.40 has 17 disclosed vulnerabilities in the WordSec catalog, reported between 2012 and 2025; all 17 are fixed as of August 2026. Their average CVSS score is 6.4, and the most serious one scores 8.8 out of 10. Severity breakdown: 0 critical and 6 high. 2016 was the busiest year with 6 disclosures.

The most common weakness is Cross-Site Request Forgery (CSRF), behind 2 of the records (12%). Other recurring categories include Cross-Site Scripting, Uncontrolled Resource Consumption.

Every one of the 17 issues recorded for WordPress 4.1.40 has a vendor fix available, so running the current release closes all known holes.

9 independent researchers contributed these findings, one record each.

01234567891020.06.2012Today20.06.20123.7WordPress Core - Informational < 6.8 - Weak Hashing Algorithm CVSS 3.7 · 20.06.201212.02.20157.5WordPress Core < 4.4 - Brute Force Password Recovery Tokens CVSS 7.5 · 12.02.201512.03.20168.8WordPress Core < 4.5 - Cross-Site Request Forgery via wp_ajax_wp_compression_test CVSS 8.8 · 12.03.201612.04.20166.4WordPress Core < 4.5 - Cross-Site Scripting via Network Settings Page CVSS 6.4 · 12.04.201616.08.20164.3WordPress Core < 4.6 - Authorization Bypass CVSS 4.3 · 16.08.20168.8WordPress Core < 4.6 - Cross-Site Request Forgery CVSS 8.8 · 16.08.201622.08.20166.5WordPress Core <= 4.5.3 - Denial of Service CVSS 6.5 · 22.08.201629.09.20165.0WordPress Core < 4.5 - Server-Side Request Forgery CVSS 5.0 · 29.09.201603.05.20175.9Wordpress Core < 5.5 - Unauthorized Password Reset via Interception CVSS 5.9 · 03.05.201705.02.20187.5WordPress Core < 5.0 - Denial of Service CVSS 7.5 · 05.02.201816.08.20188.8WordPress Core < 4.9 - Insecure Deserialization CVSS 8.8 · 16.08.201819.02.20196.5WordPress Core <= 5.0.3 - Path Traversal and Local File Inclusion CVSS 6.5 · 19.02.201910.11.20215.3WordPress Core < 5.8.2 - ca-bundle.crt contains expired certificate DST Root CA X3 CVSS 5.3 · 10.11.202125.11.20218.1WordPress Core < 5.8 - Dependency Confusion CVSS 8.1 · 25.11.202104.04.20245.3WordPress Core <= 6.4.3 - Sensitive Information Exposure via redirect_guess_404_permalink CVSS 5.3 · 04.04.202424.06.20244.3WordPress Core < 6.5.5 - Authenticated (Contributor+) Directory Traversal CVSS 4.3 · 24.06.202422.09.20256.4WordPress <= 6.8.2 - Authenticated (Author+) Stored Cross-Site Scripting CVSS 6.4 · 22.09.2025

Strategic Overview

Avg CVSSMedium
6.4/ 10
Patch Coverage100%
Open

0

Fixed

17

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Highest severity on recordCVSS 8.8CVE-2017-1000600

WordPress Core < 4.9 - Insecure Deserialization

Read the full analysis

Vulnerability Records

17 records
Showing 1–10 of 17 reports

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