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 Vantage theme for WordPress is vulnerable to Stored Cross-Site Scripting via Gallery block text content in versions up to, and including, 1.20.32 due to insufficient output escaping in the gallery template. 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
Vantage versions up to 1.20.32 contain a stored cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts. These scripts execute in the browsers of other site visitors, potentially compromising their sessions or stealing sensitive data. The vulnerability affects the site's integrity and confidentiality.
What an attacker can do
Inject malicious scripts that execute in other users' browsers and steal their session data or credentials.
Potential impact on your site
Authenticated users can inject persistent malicious code that affects all site visitors, risking account compromise and data theft.
Conditions required to exploit
Attacker must have a low-privilege user account (e.g., subscriber or contributor role) on the site.
Key dates
External resources
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