{"id":"PYSEC-2026-2961","summary":"Cross-site scripting in Products.CMFCore, Products.PluggableAuthService, Plone","details":"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.","aliases":["CVE-2021-33507","GHSA-35rg-466w-77h3","PYSEC-2021-79","PYSEC-2026-2967"],"modified":"2026-07-13T16:43:09.732565422Z","published":"2026-07-09T16:49:33.489876Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33507"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-35rg-466w-77h3"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2021-79.yaml"},{"type":"WEB","url":"https://plone.org/security/hotfix/20210518/reflected-xss-in-various-spots"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2021/05/22/1"},{"type":"PACKAGE","url":"https://pypi.org/project/products-cmfcore"}],"affected":[{"package":{"name":"products-cmfcore","ecosystem":"PyPI","purl":"pkg:pypi/products-cmfcore"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.1"}]}],"versions":["2.1.1","2.1.2","2.1.2-beta","2.1.3","2.2.0","2.2.0-alpha","2.2.0-beta","2.2.1","2.2.10","2.2.11","2.2.12","2.2.13","2.2.2","2.2.3","2.2.4","2.2.5","2.2.6","2.2.7","2.2.8","2.2.9","2.3.0","2.3.0-beta","2.3.0-beta2","2.3.1","2.4.0","2.4.0b1","2.4.0b2","2.4.0b3","2.4.0b4","2.4.0b5","2.4.0b6","2.4.0b7","2.4.0b8","2.4.1","2.4.2","2.4.3","2.4.4","2.4.5","2.4.6","2.4.7","2.4.8","2.5.0"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/products-cmfcore/PYSEC-2026-2961.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"type":"CVSS_V4","score":"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"}]}