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 PublishPress Gutenberg Blocks advanced-gutenberg allows Stored XSS.This issue affects Gutenberg Blocks: from n/a through <= 3.3.1.
Explanation of Vulnerability in Simple Terms
PublishPress Gutenberg Blocks versions 3.3.1 and earlier 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 or edit the affected content, the scripts execute in their browsers, potentially compromising their accounts or stealing sensitive data.
What an attacker can do
Inject malicious scripts that execute when other users view or edit block content.
Potential impact on your site
Authenticated users can inject scripts affecting other site users; admin accounts viewing compromised blocks are at highest risk.
Conditions required to exploit
Attacker must have a low-privilege authenticated account and the victim must view or edit the affected content.
Key dates
External resources
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