{"action":"Upgrade plone to 5.2.5 or later.","affected":[{"fixed":"5.2.5","introduced":"0"}],"component":"plone","cve_ids":["CVE-2021-33507"],"ecosystem":"PyPI","epss":0.0075,"exploited":false,"fixed_versions":["5.2.5"],"ghsa_id":"GHSA-35rg-466w-77h3","id":"tcs_01M5KGF85X8DQJK6QFEWC7GN2W","modified_at":"2026-07-13T16:43:09.732565422Z","published_at":"2021-05-21T22:15:00Z","references":["https://osv.dev/vulnerability/PYSEC-2021-79","https://plone.org/security/hotfix/20210518/reflected-xss-in-various-spots","http://www.openwall.com/lists/oss-security/2021/05/22/1","https://github.com/advisories/GHSA-35rg-466w-77h3"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2021-79","url":"https://osv.dev/vulnerability/PYSEC-2021-79"}],"summary":"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."}