CVE-2025-70936

MEDIUM

Vtiger CRM 8.4.0 - Reflected Cross-Site Scripting in MailManager Module via _folder Parameter

Title source: llm

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.

References (2)

Core 2

Core References

https://www.vtiger.com/open-source-crm/

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

Scores

CVSS v3 5.4

EPSS 0.0014

EPSS Percentile 3.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Published Apr 13, 2026

Tracked Since Apr 14, 2026