CVE-2021-33507
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.
Date published : 2021-05-21
https://plone.org/security/hotfix/20210518/reflected-xss-in-various-spots