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 Automattic Sensei LMS – Online Courses, Quizzes, & Learning allows Stored XSS.This issue affects Sensei LMS – Online Courses, Quizzes, & Learning: from n/a through 4.17.0.
Explanation of Vulnerability in Simple Terms
Sensei LMS versions up to 4.17.0 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 users, including administrators. The vulnerability requires user interaction—typically clicking a link or visiting a page containing the payload. Attackers can steal session tokens, modify course content, or perform actions on behalf of victims.
What an attacker can do
Inject malicious scripts that run in other users' browsers and steal their session data or modify course content.
Potential impact on your site
Course content and user data can be compromised; administrators and instructors are at risk of account hijacking.
Conditions required to exploit
Attacker must have a low-privilege account on the site; victim must visit a page containing the malicious payload.
Key dates
External resources
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