Markdown Shortcode
Markdown Shortcode has one disclosed vulnerability in the WordSec catalog, all reported in 2025; it is fixed as of September 2026. Their average CVSS score is 6.4, and the most serious one scores 6.4 out of 10.
The most common weakness is Cross-Site Scripting, behind 1 of the records (100%).
The one issue recorded for Markdown Shortcode has a vendor fix available, so running the current release closes it.
All of these findings were reported by Muhammad Yudha - DJ. Markdown Shortcode is installed on roughly 80 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 6.7.7.
CVE-2025-10180Markdown Shortcode <= 0.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting
Read the full analysisVulnerability Records
Markdown Shortcode
Author
JHoppe
Damn simple [markdown]#via shortcode[/markdown] for wordpress. This plugin uses parsedown and highlight.js. Zero configuration. Write this into the editor: [markdown] #h1 h2 text ____source code (two ore more underscores will be replaced by empty spaces) ____source code (two ore more underscores will be replaced by empty spaces) `javascript source code ` [/markdown] and the shortcode content will be parsed with parsedown. Syntax highlighting will appear for the source codes. This plugin is available at github, too. Please report issues at github, pull requests are welcome, too!
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