Cross Site Scripting Vulnerability in Krayin Laravel CRM Activities and Notes Modules
CVE-2026-5370

5.1MEDIUM

Key Information:

Vendor

Krayin

Status
Laravel-crm
Vendor
CVE Published:
2 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5370?

A cross site scripting vulnerability has been discovered in the Krayin Laravel CRM, specifically in the composeMail function within the Activities and Notes Modules. This flaw enables remote attackers to execute arbitrary scripts in the context of an affected user's browser session, potentially compromising sensitive information. This vulnerability is present in all versions of the product up to version 2.2. It is vital for users to apply the patch identified by the commit 73ed28d466bf14787fdb86a120c656a4af270153 to secure their applications.

Affected Version(s)

laravel-crm 2.0

laravel-crm 2.1

laravel-crm 2.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-5370 - Proof of Concept

References

https://vuldb.com/vuln/354756
vdb-entrytechnical-description
https://vuldb.com/vuln/354756/cti
signaturepermissions-required
https://vuldb.com/submit/781666
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

DineshrajanSv (VulDB User)
DineshrajanSv (VulDB User)
.