Vulnerability · Published Mar 18, 2021 · Assigned by WPScan
CVE-2021-24147Modern Events Calendar Lite < 5.16.5 - Authenticated Stored Cross-Site Scripting (XSS)
Medium 5.4
In plain English
A medium-severity cross-site scripting in Modern Events Calendar Lite from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).
Severity (CVSS NVD)5.4Medium
Exploit odds (30 days)0.7%top 44.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Modern Events Calendar Lite | 5.16.5 – before 5.16.5 |
Weakness: CWE-79