CVE-2025-70936

Severity CVSS v4.0:

Pending analysis

Type:

CWE-79 Cross-Site Scripting (XSS)

Publication date:

13/04/2026

Last modified:

14/04/2026

Description

Vtiger CRM 8.4.0 contains a reflected cross-site scripting (XSS) vulnerability in the MailManager module. Improper handling of user-controlled input in the _folder parameter allows a specially crafted, double URL-encoded payload to be reflected and executed in the context of an authenticated user s session.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.40 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x

5.40

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://www.simonjuguna.com/cve-2025-70936-reflected-xss-vulnerability-in-vtiger-crm-v8-4-0/
https://www.vtiger.com/open-source-crm/