app/View/Helper/CommandHelper.php in MISP before 2.4.79 has persistent XSS via comments. It only impacts the users of the same instance because the comment field is not part of the MISP synchronisation.
https://github.com/MISP/MISP/commit/6eba658d4a648b41b357025d864c19a67412b8aa
http://www.securityfocus.com/bid/100533
Source: Mitre, NVD
Published: 2017-08-24
Updated: 2026-06-22
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.0033