CVE-2021-24147 Information

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.

CVSS Vector

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

Reference

https://wpscan.com/vulnerability/0f9ba284-5d7e-4092-8344-c68316b0146f

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4