A stored cross-site scripting (XSS) vulnerability in Plone CMS 5.2.3 exists in site-controlpanel via the "form.widgets.site_title" parameter.
https://www.exploit-db.com/exploits/49668
https://github.com/plone/Products.CMFPlone/issues/3255
Source: Mitre, NVD
Published: 2021-03-24
Updated: 2026-06-17
Base Score: 3.5
Vector: CVSS2#AV:N/AC:M/Au:S/C:N/I:P/A:N
Severity: Low
Base Score: 5.4
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Severity: Medium
EPSS: 0.01979