PT-2025-39516 · WordPress · Markdown Shortcode

Published 2025-09-26 · Updated 2025-09-26 · CVE-2025-10180

Positive Technologies · (AI Summary)

CVSS v3.1

6.4

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

**Name of the Vulnerable Software and Affected Versions**

Markdown Shortcode plugin for WordPress versions prior to 0.2.2

**Description**

The Markdown Shortcode plugin for WordPress is susceptible to Stored Cross-Site Scripting through the 'markdown' shortcode. Insufficient input sanitization and output escaping on user-supplied attributes allow authenticated attackers with contributor-level access or higher to inject arbitrary web scripts into pages. These scripts will execute when a user accesses the injected page.

**Recommendations**

Update the Markdown Shortcode plugin to version 0.2.2 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-10180

Affected Products

Markdown Shortcode

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2025-10180 · Security Note
• https://github.com/JohannesHoppe/markdown-shortcode/releases/tag/v0.2.3 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/4e9563b8-7e1b-4e87-8b56-17b75adb66c3?source=cve · Note
• https://twitter.com/CVEnew/status/1971467044097786120 · Twitter Post
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3365425%40markdown-shortcode&new=3365425%40markdown-shortcode&sfp_email=&sfph_mail= · Note
• https://plugins.trac.wordpress.org/browser/markdown-shortcode/trunk/markdown-shortcode.php#L40 · Note