CVE-2025-70936 Cross-site scripting in n/a
Reflected XSS in Vtiger CRM MailManager allows attackers to execute scripts in authenticated user sessions via crafted URL parameters.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-70936?
CVE-2025-70936 is a medium-severity cross-site scripting vulnerability in n/a, published on 13 Apr 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2025-70936?
How do I fix CVE-2025-70936?
No fix has been published for CVE-2025-70936 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-70936 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-70936 exists.
Sources
Also known as GHSA-3q54-fg6h-32ch.