CVE-2024-8549: Simple Calendar – Google Calendar Plugin <= 3.4.2 - Reflected Cross-Site Scripting
First published: Wed Sep 25 2024(Updated: )
The Simple Calendar – Google Calendar Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 3.4.2. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
Credit: security@wordfence.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xtendify Simple Calendar | <3.4.3 |
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Reference Links
- https://www.wordfence.com/threat-intel/vulnerabilities/id/17ae3f22-6426-48f7-93e6-c0ad515b329a?source=cve
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3156894%40google-calendar-events&new=3156894%40google-calendar-events&sfp_email=&sfph_mail=
- https://plugins.trac.wordpress.org/changeset/3156894/google-calendar-events/trunk/includes/admin/notices.php
Frequently Asked Questions
What is the severity of CVE-2024-8549?
CVE-2024-8549 is rated as medium severity due to the risk of Reflected Cross-Site Scripting in the Simple Calendar plugin.
How do I fix CVE-2024-8549?
To fix CVE-2024-8549, update the Simple Calendar plugin for WordPress to version 3.4.3 or later.
Who is affected by CVE-2024-8549?
All users of the Simple Calendar – Google Calendar Plugin for WordPress running version 3.4.2 or earlier are affected by CVE-2024-8549.
What kind of attack is possible with CVE-2024-8549?
CVE-2024-8549 allows unauthenticated attackers to execute JavaScript in the context of the user's browser via Reflected Cross-Site Scripting.
Are previous versions of the Simple Calendar plugin vulnerable to CVE-2024-8549?
Yes, all versions of the Simple Calendar plugin up to and including 3.4.2 are vulnerable to CVE-2024-8549.
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