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CVE-2025-49149

Dify has xss vulnerability

Severity
Medium 5.3
Published
16 Jun 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Also known as
GHSA-grmh-ww4v-5cgj
Sources
NVD, Project advisories (GitHub)

Description

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.

Affected software

SoftwareAffected versions
DifyServers and applications · cpe:a:langgenius:dify
  • Version 1.2.0
DifyServers and applications · github:langgenius/dify
  • Version 1.2.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-49149
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-49149
  • GitHub Advisory Database https://github.com/advisories/GHSA-grmh-ww4v-5cgj
  • github.com https://github.com/langgenius/dify/security/advisories/GHSA-grmh-ww4v-5cgj