CVE-2021-24147
5.4 · MEDIUMOverview
CVE-2021-24147 is a medium-severity vulnerability affecting webnus modern_events_calendar_lite. It was published on March 18, 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
Unvalidated input and lack of output encoding in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not sanitise the mic_comment field (Notes on time) when adding/editing an event, allowing users with privilege as low as author to add events with a Cross-Site Scripting payload in them, which will be triggered in the frontend when viewing the event.
Remediation
Check the references section for vendor advisories and patches from webnus. Update modern_events_calendar_lite 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 |
|---|---|---|---|
| webnus | modern_events_calendar_lite | >= 0, < 5.16.5 | Affected |
Frequently Asked Questions
What is CVE-2021-24147?
CVE-2021-24147 is a medium-severity vulnerability affecting webnus modern_events_calendar_lite. It was published on March 18, 2021 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
How severe is CVE-2021-24147?
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-2021-24147?
Check the references section for vendor advisories and patches from webnus. Update modern_events_calendar_lite 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-2021-24147?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-24147 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
AI agents map your attack surface to find vulnerabilities like this one.
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