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How the Mentioned CVE Works:
The vulnerability, CVE-2025-XXXX, affects Laravel framework versions 11.9.0 to 11.35.1. It arises due to improper encoding of user-supplied input in the debug-mode error page. When debug mode is enabled, the framework fails to sanitize request parameters properly, allowing attackers to inject malicious JavaScript code. This reflected cross-site scripting (XSS) vulnerability can be exploited by crafting a URL with malicious input, which is then executed in the context of the victim’s browser when they visit the page. This can lead to session hijacking, data theft, or other malicious actions.
DailyCVE Form:
Platform: Laravel Framework
Version: 11.9.0 – 11.35.1
Vulnerability: Reflected XSS
Severity: Moderate
Date: Mar 10, 2025
What Undercode Say:
Exploitation:
1. Crafting Malicious URL:
Attackers can create a URL with malicious JavaScript payloads in query parameters.
Example: `http://example.com/error?input=`
2. Triggering Debug Mode:
Ensure the application is in debug mode, as the vulnerability is only exploitable in this state.
3. Victim Interaction:
The victim clicks the malicious link, and the payload executes in their browser.
Protection:
1. Disable Debug Mode:
Disable debug mode in production environments by setting `APP_DEBUG=false` in the `.env` file.
2. Input Sanitization:
Implement proper input sanitization and output encoding in error pages.
3. Update Framework:
Upgrade to Laravel version 11.35.2 or later, where the issue is patched.
4. Content Security Policy (CSP):
Implement a strict CSP to mitigate the impact of XSS vulnerabilities.
Commands:
- Check Laravel Version:
`php artisan –version`
- Disable Debug Mode:
Edit `.env` file:
APP_DEBUG=false
– Update Laravel:
composer update laravel/framework
Code Snippets:
- Sanitization Example:
Use Laravel’s `e()` helper for output encoding:
<div>{{ e($request->input('param')) }}</div>
– CSP Header Example:
Add CSP middleware to enforce a strict policy:
header("Content-Security-Policy: default-src 'self'; script-src 'self';");
Analytics:
- Affected Systems:
Systems running Laravel 11.9.0 to 11.35.1 with debug mode enabled. - Exploit Prevalence:
Likely to be exploited in targeted attacks due to the need for user interaction. - Mitigation Adoption:
Organizations should prioritize disabling debug mode and updating to patched versions.
By following these steps, developers can mitigate the risk posed by this vulnerability and protect their applications from potential exploitation.
References:
Reported By: https://github.com/advisories/GHSA-546h-56qp-8jmw
Extra Source Hub:
Undercode
