CVE-2021-47857

Publication date

2026-01-21 17:27:39

Family

VulnCheck

State

PUBLISHED

Description

Moodle 3.10.3 contains a persistent cross-site scripting vulnerability in the calendar event subtitle field that allows attackers to inject malicious scripts. Attackers can craft a calendar event with malicious JavaScript in the subtitle track label to execute arbitrary code when users view the event.