CVE-2023-1023: WP Meta SEO <= 4.5.3 - Missing Authorization in 'saveSitemapSettings'
The WP Meta SEO plugin for WordPress is vulnerable to unauthorized plugin settings update due to a missing capability check on the saveSitemapSettings function in versions up to, and including, 4.5.3. This makes it possible for authenticated attackers with subscriber-level access to change sitemap-related settings of the plugin. This vulnerability occurred as a result of the plugin relying on nonce checks as a means of access control, and that nonce being accessible to all authenticated users regardless of role.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2023-1023.
What is the title of the vulnerability?
The title of the vulnerability is 'The WP Meta SEO plugin for WordPress is vulnerable to unauthorized plugin settings update due to a missing capability check on the saveSitemapSettings function in versions up to, and including, 4.5.3.'
How severe is the vulnerability?
The severity of the vulnerability is medium with a severity value of 4.3.
What software is affected by this vulnerability?
The WP Meta SEO plugin for WordPress versions up to, and including, 4.5.3 is affected.
How can the vulnerability be exploited?
Authenticated attackers with subscriber-level access can exploit the vulnerability to change sitemap settings.