top of page

Advanced Custom Fields PRO plugin for WordPress Cross-Site Scripting (CVE-2023-30777)



Application Details

Advanced Custom Fields PRO (ACF PRO) allows developers to transform WordPress websites into content management systems, by providing multiple data manipulating tools.


Vulnerability

Advanced Custom Fields PRO plugin for WordPress is vulnerable to cross-site scripting, caused by improper validation of user-supplied input.


Identification

A remote attacker could exploit this vulnerability using a specially crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.


GET /wp-admin/edit.php?post_type=acf-field-group&post_status=xxxxxxx%20"onload=alert(document.domain)%20xxx="

Detection

By turning this into a traffic file and matching rule, we are able to detect attempts to influence the vulnerable parameter with cross-site scripting attempts.


Coverage

Idappcom has created signature 8023826 along with a traffic file.


References


Traffic IQ

If you are concerned that your business may be at risk of this vulnerability or others why not try out our Traffic IQ software which can scan your defences and report any issues. Learn more here: https://www.idappcom.co.uk/traffic-iq-professional

bottom of page