Zope Products.CMFCore before 2.5.1 and Products.PluggableAuthService before 2.6.2, as used in Plone through 5.2.4 and other products, allow Reflected XSS.
2.5.12.6.2Exploitability
AV:NAC:LAT:NPR:NUI:PVulnerable System
VC:NVI:NVA:NSubsequent System
SC:LSI:LSA:N5.3/CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N