Roundcube before 1.4.14, 1.5.x before 1.5.4, and 1.6.x before 1.6.3 allows XSS via text/plain e-mail messages with crafted links because of program/lib/Roundcube/rcubestringreplacer.php behavior.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-43770.json"