.. / CVE-2019-14789

Exploit for Custom 404 Pro < 3.2.8 - Cross-Site Scripting (CVE-2019-14789)

Description:

Custom 404 Pro before 3.2.9 is susceptible to cross-site scripting via the title parameter due to insufficient input sanitization and output escaping. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.

Nuclei Template

View the template here CVE-2019-14789.yaml

Validate with Nuclei

echo "$URL" | nuclei -t ~/nuclei-templates/http/cves/2019/CVE-2019-14789.yaml
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References:

https://nvd.nist.gov/vuln/detail/CVE-2019-14789
https://wpscan.com/vulnerability/81ee1df5-12dc-49d8-8d49-ca28d6f5b7fd
https://wordpress.org/plugins/custom-404-pro/advanced/
https://wordpress.org/plugins/custom-404-pro/#developers