The Admin CP in vBulletin 5.6.3 allows XSS via the Paid Subscription Email Notification field in the Options.
CVSS Details
- CVSS 3.1 Base Score: 4.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N)
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