CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/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 Spiffy Plugins Spiffy Calendar spiffy-calendar allows Reflected XSS.This issue affects Spiffy Calendar: from n/a through <= 4.9.13.
Explanation of Vulnerability in Simple Terms
Spiffy Calendar versions 4.9.13 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the application. An attacker can craft a malicious link that, when clicked by a site visitor, executes arbitrary JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or defacement of the calendar interface.
What an attacker can do
Inject and execute malicious JavaScript in visitors' browsers via a crafted link.
Potential impact on your site
Visitors' sessions and credentials may be compromised; calendar data or site content could be altered or stolen.
Conditions required to exploit
A site visitor must click an attacker-controlled link or visit a page containing the malicious payload.
Key dates
External resources
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