Vulnerability · Published Jun 17, 2025 · Assigned by GitHub_M

CVE-2025-49149Dify has XSS vulnerability

Medium 5.3

In plain English

A medium-severity cross-site scripting in dify from langgenius. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).

Severity (CVSS 4.0)5.3Medium

Exploit odds (30 days)0.3%top 79.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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 products (as reported)

Vendor	Product	Versions
langgenius	dify	= 1.2.0

Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N

References

https://github.com/langgenius/dify/security/advisories/GHSA-grmh-ww4v-5cgj x_refsource_CONFIRM