Krayin laravel-crm up to 2.2.6 Template Compiler lead title special elements in template engine

Summaryinfo

A vulnerability classified as critical was found in Krayin laravel-crm up to 2.2.6. This affects an unknown function of the component Template Compiler. Executing a manipulation of the argument lead title can lead to special elements in template engine. This vulnerability is registered as CVE-2026-48540. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in Krayin laravel-crm up to 2.2.6. This vulnerability affects an unknown function of the component Template Compiler. The manipulation of the argument lead title with an unknown input leads to a special elements in template engine vulnerability. The CWE definition for the vulnerability is CWE-1336. The product uses a template engine to insert or process externally-influenced input, but it does not neutralize or incorrectly neutralizes special elements or syntax that can be interpreted as template expressions or other code directives when processed by the engine. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-48540 since 05/21/2026. The exploitation appears to be easy. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/24/2026). The MITRE ATT&CK project declares the attack technique as T1221.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Customer Relationship Management System

Vendor

• Krayin

Name

• laravel-crm

Version

• 2.2.0
• 2.2.1
• 2.2.2
• 2.2.3
• 2.2.4
• 2.2.5
• 2.2.6

CPE 2.3info

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• 🔒
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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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