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 Leap13 Premium Blocks – Gutenberg Blocks for WordPress premium-blocks-for-gutenberg allows Stored XSS.This issue affects Premium Blocks – Gutenberg Blocks for WordPress: from n/a through <= 2.1.42.
Explanation of Vulnerability in Simple Terms
Premium Blocks for WordPress contains a stored cross-site scripting (XSS) vulnerability in versions up to 2.1.42. An authenticated user with low privileges can inject malicious scripts into block content. When other users view the affected page, the script executes in their browser, potentially compromising their session or stealing data. The vulnerability requires user interaction to trigger.
What an attacker can do
Inject malicious JavaScript that runs in other users' browsers when they view the affected page.
Potential impact on your site
Authenticated attackers can deface pages, steal admin session cookies, or redirect visitors to malicious sites.
Conditions required to exploit
Attacker must be logged in with at least low-level WordPress privileges and trick a user into viewing the malicious content.
Key dates
External resources
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