wp_kses_bad_protocol in wp-includes/kses.php in WordPress before 5.3.1 mishandles the HTML5 colon named entity, allowing attackers to bypass input sanitization, as demonstrated by the javascript: substring.
CVE-2019-20041 is a medium severity with CVSS 6.4 Stored Cross-Site Scripting issue affecting the Core WordPress. It affects Versions before 3.7 and is fixed in 3.7.32.
CVE-2019-20041 is tracked for the Core WordPress as medium severity with CVSS 6.4. The affected range is Versions before 3.7. Update WordPress to 3.7.32 or newer where that version is compatible with the site.
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
A fixed version is present, so the page can answer update and remediation intent directly.
External references are available for source validation, advisory review, and incident notes.
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Core package and compare its version with Versions before 3.7.
Confirm WordPress is updated to 3.7.32 or newer.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Core |
|---|---|
| Software Slug |
wordpress
|
| CVE | CVE-2019-20041 |
| Patched Versions |
3.7.32
3.8.32
3.9.30
4.0.29
4.1.29
4.2.26
4.3.22
4.4.21
4.5.20
4.6.17
4.7.16
4.8.12
4.9.13
5.0.8
5.1.4
5.2.5
5.3.1
|
| Affected Versions |
Versions before 3.7
3.7 through 3.7.31
3.8 through 3.8.31
3.9 through 3.9.29
4.0 through 4.0.28
4.1 through 4.1.28
4.2 through 4.2.25
4.3 through 4.3.21
4.4 through 4.4.20
4.5 through 4.5.19
4.6 through 4.6.16
4.7 through 4.7.15
4.8 through 4.8.11
4.9 through 4.9.12
5.0 through 5.0.7
5.1 through 5.1.3
5.2 through 5.2.4
5.3 through 5.3
|
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