CVE-2025-49420
BaseFortify
Publication date: 2025-08-20
Last updated on: 2026-04-23
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| patchstack | markup_markdown | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Stored Cross-site Scripting (XSS) issue in the Pierre-Henri Lavigne Markup Markdown software up to version 3.20.6. It occurs due to improper neutralization of input during web page generation, allowing attackers to inject malicious scripts that are stored and later executed in users' browsers.
How can this vulnerability impact me? :
This vulnerability can allow attackers to execute malicious scripts in the context of users' browsers, potentially leading to unauthorized actions such as stealing sensitive information, hijacking user sessions, or performing actions on behalf of the user. The CVSS score indicates a moderate severity with impacts on confidentiality, integrity, and availability.