CVE-2021-24687 - CVE House
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Status published Medium CVE-2021-24687

Modern Events Calendar Lite < 5.22.2 - Admin+ Stored Cross-Site Scripting

Vulnerability Description

The Modern Events Calendar Lite WordPress plugin before 5.22.2 does not escape some of its settings before outputting them in attributes, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Shivam Rai

Affected Vendor

Affected Software

Modern Events Calendar Lite
Vulnerable Versions:
5.22.2

Timeline

Official Publish: October 4th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)