Dify has XSS vulnerability
Priority MEDIUM 57CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00283 20th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| langgenius | dify | = 1.2.0 | — | No fix listed | CNA |
- dify Vendorlanggenius Affected = 1.2.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:langgenius:dify:1.2.0:*:*:*:*:node.js:*:* | 1.2.0 | Vulnerable | langgenius |
- cpe:2.3:a:langgenius:dify:1.2.0:*:*:*:*:node.js:*:* Versions 1.2.0 Vulnerable ·langgenius
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-49149
References
More langgenius Dify vulnerabilities
- TI-2025-35265 Default credentials in Dify thru 1.5.1. CVSS 3.1CRITICAL 9.8
- TI-2025-03045 Unsanitized Input in langgenius/dify CVSS 3.1HIGH 7.2
- TI-2025-01548 Admin account takeover through weak Pseudo-Random number generator used in generating… CVSS 3.1HIGH 8.8
- TI-2026-30470 Dify Vulnerable to Stored XSS via SVG-file upload CVSS 4.0MEDIUM 6.9
- TI-2024-11840 Authentication Bypass in langgenius/dify CVSS 3.0HIGH 8.1
- TI-2024-11170 Improper Restriction of Excessive Authentication Attempts in langgenius/dify CVSS 3.1HIGH 8.1
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences