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 Share to Google Classroom plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the share_to_google shortcode in all versions up to, and including, 1.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Explanation of Vulnerability in Simple Terms
Share to Google Classroom versions 1.0 and earlier contain a cross-site scripting vulnerability that allows authenticated users to inject malicious scripts affecting other users. The vulnerability has scope impact, meaning injected code can affect users beyond the immediate component. No user interaction is required from victims. Update to a version newer than 1.0.
What an attacker can do
Inject malicious scripts that execute in other users' browsers and affect site functionality.
Potential impact on your site
Authenticated users can inject scripts affecting other site users' sessions and data.
Conditions required to exploit
Attacker must be authenticated with low-level privileges; no victim interaction needed.
Key dates
External resources
