CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
What the vulnerability does
The SEOPress – On-site SEO plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's social image URL in all versions up to, and including, 7.9 due to insufficient input sanitization and output escaping on user supplied image URLs. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Explanation of Vulnerability in Simple Terms
SEOPress versions 7.9 and earlier contain a cross-site scripting vulnerability that allows authenticated users to inject malicious scripts affecting other users on the site. The vulnerability requires low-level user privileges and no user interaction from the victim. Because the scope is changed, the impact extends beyond the vulnerable component to other parts of the site.
What an attacker can do
Inject malicious scripts that execute in other users' browsers and steal their data or session tokens.
Potential impact on your site
Authenticated attackers can compromise other users' accounts and sessions, potentially escalating to admin access.
Conditions required to exploit
Attacker must have a low-privilege user account (e.g., contributor or subscriber role) on the WordPress site.
Key dates
External resources
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