CVSS base score
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
What the vulnerability does
WordPress Plugin Jetpack 9.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by manipulating the post_id parameter. Attackers can craft URLs to the grunion-form-view.php endpoint with script payloads in the post_id parameter to execute arbitrary JavaScript in victim browsers.
Explanation of Vulnerability in Simple Terms
Jetpack versions 9.1 and later contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts. An attacker can craft a malicious link or page that, when visited by a site user, executes arbitrary JavaScript in the user's browser. This can lead to session hijacking, credential theft, or defacement. The vulnerability requires user interaction to exploit.
What an attacker can do
Inject and execute malicious JavaScript in a user's browser session.
Potential impact on your site
Site users' sessions and data are at risk if they interact with attacker-controlled content.
Conditions required to exploit
A site user must visit an attacker-controlled page or click a malicious link.
Key dates
External resources
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