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 Advanced Accordion Gutenberg Block plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG File uploads in all versions up to, and including, 5.0.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the SVG file.
Explanation of Vulnerability in Simple Terms
The Advanced Accordion Gutenberg Block plugin for WordPress contains a stored cross-site scripting (XSS) vulnerability in versions up to 5.0.2. An authenticated user with low privileges can inject malicious JavaScript into accordion content that executes in the browsers of other site visitors. The vulnerability affects the entire site scope due to how the plugin processes and displays user input.
What an attacker can do
Inject malicious JavaScript that runs in other users' browsers when they view pages with the accordion block.
Potential impact on your site
Visitors to pages using this plugin may have their sessions hijacked, credentials stolen, or be redirected to malicious sites.
Conditions required to exploit
Attacker must have a WordPress user account with low-level permissions (e.g., contributor or editor role).
Key dates
External resources
