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The CVE-2025-XXXX vulnerability in the Drupal Plausible Tracking module stems from a failure to properly sanitize user-supplied input before it is output in the page. The module handles configuration for the Plausible analytics script. Specifically, the vulnerability exists within the module’s configuration form. When an administrator enters malicious script code into certain configuration fields, such as those intended for domain names or custom tracking parameters, the input is not neutralized. Subsequently, when this unsanitized data is reflected back on the administration page or, in some cases, within the frontend JavaScript, the malicious script is executed in the user’s browser. This Stored XSS attack occurs because the application does not escape HTML meta-characters, allowing an attacker with admin-level permissions to inject arbitrary JavaScript that executes whenever a user views the compromised configuration page.
Platform: Drupal
Version: 0.0.0-1.0.1
Vulnerability: Stored XSS
Severity: Moderate
date: 2024-10-30
Prediction: Patch 2024-11-13
What Undercode Say:
curl -s "https://raw.githubusercontent.com/drupal/plausible_tracking/1.0.2/src/Form/SettingsForm.php" | grep -A 10 -B 5 "XSS"
// Example vulnerable code pattern (conceptual)
$form['plausible_domain'] = [
'type' => 'textfield',
'' => $this->t('Domain'),
'default_value' => $config->get('plausible_domain'),
// Missing description sanitization or output escaping
];
find . -name ".yml" -exec grep -l "plausible_tracking" {} \;
How Exploit:
1. Acquire admin credentials.
2. Navigate to module configuration.
3. Inject script in domain field.
4. Save configuration.
5. Victim views page.
Protection from this CVE:
Update to version 1.0.2.
Implement output escaping.
Sanitize all user inputs.
Apply principle of least privilege.
Impact:
Privilege escalation.
Session hijacking.
Malicious action execution.
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Sources:
Reported By: github.com
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