WordPress 4.9.31

WordPress 4.9.31 has 17 disclosed vulnerabilities in the WordSec catalog, reported between 2012 and 2026; all 17 are fixed as of September 2026. Their average CVSS score is 5.4, and the most serious one scores 8.1 out of 10. Severity breakdown: 0 critical and 4 high. 2026 was the busiest year with 10 disclosures.

The most common weakness is Exposure Of Sensitive Information To An Unauthorized Actor, behind 3 of the records (18%). Other recurring categories include Missing Authorization, Cross-Site Scripting.

Every one of the 17 issues recorded for WordPress 4.9.31 has a vendor fix available, so running the current release closes all known holes.

15 independent researchers contributed these findings, one record each.

Strategic Overview

Avg CVSSMedium

5.4/ 10

Patch Coverage100%

Open

Fixed

Get automatic notifications for all WordPress 4.9.31 vulnerabilities before they are exploited.

Highest severity on recordCVSS 8.1CVE-2026-87902

WordPress Core <= 7.1.1 - Unauthenticated Local File Inclusion via locate_template() Path Traversal

Read the full analysis

Vulnerability Records

17 records


2026-09-22 00:00	WordPress Core <= 7.1.1 - Unauthenticated Local File Inclusion via locate_template() Path Traversal WordPress 4.9.31 4.7 – 7.1.1 · 25 branches	`CVE-2026-87902`	8.1 High	Robert Ressl	Yes
2026-09-17 00:00	WordPress Core <= 7.1 - Authenticated (Administrator+) Stored Cross-Site Scripting via Custom Header Image Data WordPress 4.9.31 6.6.7 – 7.1 · 6 branches	`N/A`	4.4 Medium	Jeremy Felt	Yes
2026-09-17 00:00	WordPress Core <= 7.1 - Authenticated (Author+) Information Exposure via attachment_submitbox_metadata() WordPress 4.9.31 6.6.7 – 7.1 · 6 branches	`N/A`	4.3 Medium	HDWSec	Yes
2026-09-17 00:00	WordPress Core <= 7.1 - Forced Theme Install/Preview and Selector Injection via Theme Installer Route WordPress 4.9.31 6.6.7 – 7.1 · 6 branches	`N/A`	4.3 Medium	Paulos Yibelo	Yes
2026-09-17 00:00	WordPress Core <= 7.1 - Authenticated (Administrator+) Missing Authorization to Network Plugin Activation (Multisite) WordPress 4.9.31 6.6.7 – 7.1 · 6 branches	`N/A`	2.7 Low	Jesse McNeil	Yes
2026-09-17 00:00	WordPress Core <= 7.1 - Unauthenticated Stored Cross-Site Scripting via wpautop() Blockquote Handling WordPress 4.9.31 6.6.7 – 7.1 · 6 branches	`CVE-2026-93485`	7.2 High	Rafie Muhammad	Yes
2026-09-17 00:00	WordPress Core <= 7.1 - Missing Authorization to customize_changeset Write via XML-RPC (Multisite/Custom Role edit_css Bypass) WordPress 4.9.31 6.6.7 – 7.1 · 6 branches	`N/A`	5.5 Medium	Ben Bidner	Yes
2026-09-17 00:00	WordPress Core <= 7.1 - Authenticated (Contributor+) Insecure Direct Object Reference to Arbitrary Post Overwrite WordPress 4.9.31 6.6.7 – 7.1 · 6 branches	`N/A`	4.3 Medium	Anthropic	Yes
2026-09-17 00:00	WordPress Core <= 7.1 - Authenticated (Author+) Missing Authorization to Comment/Note Reparenting via REST API WordPress 4.9.31 6.6.7 – 7.1 · 6 branches	`N/A`	4.3 Medium	viridis	Yes
2026-09-17 00:00	WordPress Core <= 7.1 - Authenticated (Contributor+) Information Exposure via Sample Permalink AJAX Actions WordPress 4.9.31 6.6.7 – 7.1 · 6 branches	`N/A`	4.3 Medium	hermanhms	Yes

Showing 1–10 of 17 reports