PT-2025-33949 · Unknown · Markup Markdown

Jeonkim · Published 2025-08-20 · Updated 2025-08-20 · CVE-2025-49420

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Markup Markdown versions through 3.20.6

Description: The software contains an Improper Neutralization of Input During Web Page Generation issue, which allows for Stored Cross-site Scripting (XSS).

Recommendations: Update to a version later than 3.20.6.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-49420

Affected Products

Markup Markdown

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2025-49420 · Security Note
• https://patchstack.com/database/wordpress/plugin/markup-markdown/vulnerability/wordpress-markup-markdown-plugin-3-20-6-cross-site-scripting-xss-vulnerability?_s_id=cve · Note
• https://patchstack.com/database/Wordpress/Plugin/ultra-portfolio/vulnerability/wordpress-ultra-portfolio-wordpress-plugin-6-7-cross-site-scripting-xss-vulnerability?_s_id=cve · Note
• https://twitter.com/CVEnew/status/1958081836053073926 · Twitter Post