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 WPDeveloper Essential Blocks for Gutenberg allows Stored XSS.This issue affects Essential Blocks for Gutenberg: from n/a through 4.5.3.
Explanation of Vulnerability in Simple Terms
Essential Blocks for Gutenberg versions up to 4.5.3 contain a stored cross-site scripting (XSS) vulnerability. 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 scripts that execute when other users view the page, potentially stealing session data or performing actions on their behalf.
Potential impact on your site
Authenticated users can inject persistent malicious code into pages, affecting all visitors and potentially compromising admin accounts.
Conditions required to exploit
Attacker must have a low-privilege WordPress account and trick a user into viewing a page containing the malicious block.
Key dates
External resources
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