CVE-2021-24927
5.4 · MEDIUMOverview
CVE-2021-24927 is a medium-severity vulnerability affecting my_calendar_project my_calendar. It was published on November 29, 2021 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
The My Calendar WordPress plugin before 3.2.18 does not sanitise and escape the callback parameter of the mc_post_lookup AJAX action (available to any authenticated user) before outputting it back in the response, leading to a Reflected Cross-Site Scripting issue
Remediation
Check the references section for vendor advisories and patches from my_calendar_project. Update my_calendar to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| my_calendar_project | my_calendar | >= 0, < 3.2.18 | Affected |
Frequently Asked Questions
What is CVE-2021-24927?
CVE-2021-24927 is a medium-severity vulnerability affecting my_calendar_project my_calendar. It was published on November 29, 2021 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
How severe is CVE-2021-24927?
This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-24927?
Check the references section for vendor advisories and patches from my_calendar_project. Update my_calendar to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-24927?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-24927 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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