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 (XSS or 'Cross-site Scripting') vulnerability in Calendar.Online Calendar.Online / Kalender.Digital allows Stored XSS.This issue affects Calendar.Online / Kalender.Digital: from n/a through 1.0.8.
Explanation of Vulnerability in Simple Terms
Calendar.online versions up to 1.0.8 contain a cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts. When a victim visits a page containing the injected code, the script executes in their browser with their permissions. The vulnerability affects the application's integrity and confidentiality, and can impact other users or the site itself depending on the victim's role.
What an attacker can do
Inject malicious JavaScript that executes in other users' browsers when they view affected pages.
Potential impact on your site
Authenticated users can deface content, steal session tokens, or perform actions on behalf of other users viewing the affected pages.
Conditions required to exploit
Attacker must have a user account (low privilege level) and the victim must visit a page containing the injected payload.
Key dates
External resources
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