CVE-2025-70936
Reflected XSS in Vtiger CRM 8.4.0 MailManager Module
Publication date: 2026-04-13
Last updated on: 2026-04-14
Assigner: MITRE
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| vtiger | crm | 8.4.0 |
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 is a reflected cross-site scripting (XSS) issue found in Vtiger CRM version 8.4.0, specifically in the MailManager module. It occurs because the application improperly handles user-controlled input in the _folder parameter. An attacker can craft a specially designed, double URL-encoded payload that gets reflected and executed within the context of an authenticated user's session.
How can this vulnerability impact me? :
The vulnerability can allow an attacker to execute malicious scripts in the context of an authenticated user's session. This can lead to unauthorized actions such as stealing session cookies, hijacking user accounts, performing actions on behalf of the user, or delivering malicious content, potentially compromising the security and integrity of the affected system.