WordPress Event Calendar – Calendar Plugin <= 1.4.6 is vulnerable to a medium priority Cross Site Scripting (XSS)
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Get startedRisks
CVSS 4.1This vulnerability is moderately dangerous and expected to become exploited. Vulnerabilities like this one are used in mass-exploit campaigns. Attackers use these to attack thousands of websites at a time, regardless of traffic size or popularity. Learn more.
As immediate action, update the affected plugin. If you're unable to do so, ask your hosting provider or web developer for help.
User Interaction Required
While this vulnerability can be initiated by the role shown in "Required Privilege", successful exploitation requires a privileged user to perform an action — such as clicking a malicious link, visiting a crafted page, or submitting a form.
4.1
Cross Site Scripting (XSS)
This could allow a malicious actor to inject malicious scripts, such as redirects, advertisements, and other HTML payloads into your website which will be executed when guests visit your site.
CVSS score is a way to evaluate and rank reported vulnerabilities in a standardized and repeatable way but which is not ideal for WordPress.
Solutions
We advise to mitigate or resolve the vulnerability immediately.
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Patchstack has issued a mitigation rule to block any attacks until you have updated to a patched version.
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Get startedUpdate to version 1.4.7 or later.
Update to version 1.4.7 or later to resolve the vulnerability. Patchstack users can turn on auto-update for vulnerable plugins only.
Details
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