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 Ultimate Blocks Ultimate Blocks ultimate-blocks allows DOM-Based XSS.This issue affects Ultimate Blocks: from n/a through <= 3.2.9.
Explanation of Vulnerability in Simple Terms
Ultimate Blocks versions 3.2.9 and earlier contain a cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts. An attacker with low-level site access can craft a request that executes JavaScript in other users' browsers, potentially compromising accounts or stealing data. The vulnerability requires user interaction—the victim must visit a page or click a link containing the malicious payload.
What an attacker can do
Inject and execute JavaScript in other users' browsers to steal credentials, session tokens, or perform actions on their behalf.
Potential impact on your site
Authenticated users can be compromised through XSS attacks, risking account takeover, data theft, or unauthorized site modifications.
Conditions required to exploit
Attacker needs a low-privilege account on the site; victim must visit a page or click a link containing the malicious payload.
Key dates
External resources
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