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 essential-blocks allows Stored XSS.This issue affects Essential Blocks for Gutenberg: from n/a through <= 4.8.4.
Explanation of Vulnerability in Simple Terms
Essential Blocks for Gutenberg versions up to 4.8.4 contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in the browsers of other site visitors, including administrators. The vulnerability requires user interaction to trigger. Update to a version newer than 4.8.4 to remediate.
What an attacker can do
Inject malicious scripts that run in other users' browsers when they view affected content.
Potential impact on your site
Attackers with contributor or subscriber access can compromise admin accounts and steal sensitive data via injected scripts.
Conditions required to exploit
Attacker needs a low-privilege WordPress account and must trick a user into viewing the malicious content.
Key dates
External resources
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