CVE-2026-48540 Krayin CRM 2.2.6 Stored Template Injection XSS via Lead Title
Authenticated attackers can execute arbitrary JavaScript in other users' browsers via stored template injection in lead titles, potentially leading to account takeover.
- 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-2026-48540?
CVE-2026-48540 is a medium-severity cross-site scripting vulnerability in krayin laravel-crm, published on 24 Sep 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
Krayin CRM through 2.2.6 contains a stored client-side template injection vulnerability that allows authenticated attackers to execute arbitrary JavaScript in other users' browsers by injecting Vue.js template expressions into the lead title field. Attackers can craft a lead title containing double-brace template syntax that reaches the Vue template compiler, enabling prototype chain traversal to retrieve the Function constructor and execute attacker-supplied JavaScript in the application origin for every user who views the affected lead record.
Weakness: CWE-79
Which versions are affected by CVE-2026-48540?
How do I fix CVE-2026-48540?
No fix has been published for CVE-2026-48540 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-2026-48540 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-48540 exists.
Sources
Also known as GHSA-jf9p-cp2g-2745.