What the vulnerability does
01Description
Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Spiffy Plugins Spiffy Calendar plugin <= 4.9.3 versions.
CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L
What the vulnerability does
Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Spiffy Plugins Spiffy Calendar plugin <= 4.9.3 versions.
Explanation of Vulnerability in Simple Terms
Spiffy Calendar versions up to 4.9.3 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 a visitor's browser when they click a crafted link.
Potential impact on your site
Visitors to your site may have their sessions hijacked or credentials stolen if they interact with malicious calendar links.
Conditions required to exploit
Attacker must trick a site visitor into clicking a malicious link; no authentication required.
Key dates
External resources
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