CVE-2026-48543 Krayin CRM 2.2.6 Stored Template Injection XSS via Web Form Description
Authenticated attackers can execute arbitrary JavaScript in other users' browsers via stored template injection in web form descriptions.
- 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-2026-48543?
CVE-2026-48543 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 web form description field. Attackers can craft a web form description 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 web form.
Weakness: CWE-79
Which versions are affected by CVE-2026-48543?
How do I fix CVE-2026-48543?
No fix has been published for CVE-2026-48543 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-2026-48543 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-48543 exists.
Sources
Also known as GHSA-vgpf-4rhc-gr38.