{"id":"CVE-2021-29002","aliases":["GHSA-38g6-x6jv-jwff","PYSEC-2021-889"],"url":"https://o3.security/vulnerability/CVE-2021-29002","summary":"Plone XSS Vulnerability","details":"A stored cross-site scripting (XSS) vulnerability in Plone CMS 5.2.3 exists in site-controlpanel via the \"form.widgets.site_title\" parameter.","published":"2021-03-24T15:15:12.737Z","modified":"2026-07-08T21:26:34.768415Z","cvss":{"score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":2,"affectedPackages":[{"ecosystem":"PyPI","name":"plone","fixedVersion":null}],"fix":null,"references":[{"type":"REPORT","url":"https://github.com/plone/Products.CMFPlone/issues/3255"},{"type":"EVIDENCE","url":"https://www.exploit-db.com/exploits/49668"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T21:26:34.768415Z"}}