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 WP BookWidgets plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'bw_link' shortcode in all versions up to, and including, 0.9 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
WP BookWidgets versions 0.9 and earlier contain a cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts. The vulnerability has scope change, meaning injected code can affect other users and site functionality. An attacker with low-level WordPress access can craft malicious input that executes in other users' browsers, potentially stealing session data or performing actions on their behalf.
What an attacker can do
Inject JavaScript that runs in other users' browsers and affects site functionality.
Potential impact on your site
Authenticated attackers can compromise other users' sessions or trick them into performing unwanted actions.
Conditions required to exploit
Attacker needs a low-privilege WordPress account (e.g., subscriber or contributor role).
Key dates
External resources
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