| Title | Mettle sendportal v3.0.1 Cross Site Scripting |
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| Description | A Stored Cross-Site Scripting (XSS) vulnerability exists in the campaign content rendering functionality. An authenticated user can inject arbitrary JavaScript into the content field, which is later rendered without sanitization using Laravel Blade’s {!! !!} directive.
This results in execution of attacker-controlled JavaScript when:
The campaign preview page is opened
The public webview link (/webview/{hash}) is accessed |
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| Source | ⚠️ https://github.com/mettle/sendportal/issues/338 |
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| User | B1scuit (UID 97177) |
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| Submission | 05/08/2026 07:49 (3 months ago) |
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| Moderation | 05/31/2026 10:14 (23 days later) |
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| Status | Accepted |
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| VulDB entry | 367513 [Mettle sendportal up to 3.0.1 Campaign /webview/ content cross site scripting] |
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| Points | 20 |
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