jivejdon from commit 595d8d22 through commit ee67a65e contains a stored cross-site scripting vulnerability in the default-enabled TextStyle filter that inserts unvalidated URLs into anchor href attributes. Authenticated attackers can post messages with javascript: links or quote-breaking URLs to execute JavaScript when other users click or hover over rendered links.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
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