ReviewX <= 1.6.13 - Arbitrary Usermeta Update to Authenticated (Subscriber+) Privilege Escalation
Vulnerability Description
The ReviewX plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 1.6.13 due to insufficient restriction on the 'rx_set_screen_options' function. This makes it possible for authenticated attackers, with minimal permissions such as a subscriber, to modify their user role by supplying the 'wp_screen_options[option]' and 'wp_screen_options[value]' parameters during a screen option update.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-2833
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- István Márton
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/70e1d701-2cff-4793-9e4c-5b16a4038e8d?source=cve
- https://plugins.trac.wordpress.org/browser/reviewx/tags/1.6.13/includes/rx-functions.php#L972
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2916148%40reviewx&old=2912114%40reviewx&sfp_email=&sfph_mail=#file472
- https://lana.codes/lanavdb/a889c3ff-5df0-4d7e-951f-0b0406468efa/
- https://www.wordfence.com/blog/2023/05/wpdeveloper-addresses-privilege-escalation-vulnerability-in-reviewx-wordpress-plugin/
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