CVE-2021-24147
Last modified
CVE-2021-24147 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Webnus | Modern Events Calendar Lite | < 5.16.5 |
References
- https://wpscan.com/vulnerability/0f9ba284-5d7e-4092-8344-c68316b0146fExploit, Third Party Advisory
- https://wpscan.com/vulnerability/0f9ba284-5d7e-4092-8344-c68316b0146fExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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