Dify — Xss (CVE-2025-49149)
Date: 2025-06
Affected: langgenius/dify
Attack vector: xss
Category: vulnerability-disclosure
Severity: Medium
CVE: CVE-2025-49149
CWE: CWE-79
CVSS: 6.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

Dify is an open-source LLM app development platform. In version 1.2.0, there is insufficient filtering of user input by web applications. Attackers can use website vulnerabilities to inject malicious script code into web pages. This may result in a cross-site scripting (XSS) attack when a user browses these web pages. At time of posting, there is no known patched version.


Mitigations:

Architectural layers (MAESTRO):