CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
What the vulnerability does
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Johan van der Wijk Content Blocks (Custom Post Widget) custom-post-widget allows Stored XSS.This issue affects Content Blocks (Custom Post Widget): from n/a through <= 3.3.5.
Explanation of Vulnerability in Simple Terms
Content Blocks (Custom Post Widget) versions 3.3.5 and earlier contain a cross-site scripting vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires user interaction and can affect the confidentiality, integrity, and availability of the site.
What an attacker can do
Inject malicious scripts that run in other users' browsers to steal data, modify page content, or disrupt site functionality.
Potential impact on your site
Authenticated users can inject scripts affecting other visitors; impacts site security and user trust if exploited at scale.
Conditions required to exploit
Attacker must have a low-privilege user account and trick a victim into viewing a page containing the malicious payload.
Key dates
External resources
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