CVE-2026-2099
Stored XSS in AgentFlow Allows Persistent JavaScript Injection
Publication date: 2026-02-10
Last updated on: 2026-02-13
Assigner: TWCERT/CC
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| flowring | agentflow | to 4.0.0.1878.877 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in AgentFlow developed by Flowring and is a Stored Cross-Site Scripting (XSS) issue.
It allows authenticated remote attackers to inject persistent JavaScript code into the application.
The injected code is then executed in the browsers of users when they load the affected pages.
How can this vulnerability impact me? :
The vulnerability can lead to attackers executing malicious JavaScript in the context of users' browsers.
This can result in unauthorized actions such as stealing user credentials, session tokens, or performing actions on behalf of the user.
Since the vulnerability requires authentication, attackers must have some level of access, but the impact can still be significant for users and the application.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know