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 Simple Calendar Simple Calendar – Google Calendar Plugin allows Stored XSS.This issue affects Simple Calendar – Google Calendar Plugin: from n/a through 3.2.6.
Explanation of Vulnerability in Simple Terms
Simple Calendar – Google Calendar Plugin versions up to 3.2.6 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 and can affect the entire site scope.
What an attacker can do
Inject malicious scripts that run in other users' browsers when they view affected calendar content.
Potential impact on your site
Attackers with basic user accounts can compromise admin sessions, steal data, or deface calendar displays seen by all visitors.
Conditions required to exploit
Attacker must have a low-privilege user account on the site; victim must view the affected calendar page.
Key dates
External resources
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