{"id":"PYSEC-2026-2964","summary":"Plone unauthorized member addition vulnerability","details":"Plone 3.3.0 through 3.3.6, 4.0.0 through 4.0.10, 4.1.0 through 4.1.6, 4.2.0 through 4.2.7, 4.3.0 through 4.3.6, and 5.0rc1 allows remote attackers to add a new member to a Plone site with registration enabled, without acknowledgment of site administrator.","aliases":["CVE-2015-7315","GHSA-984m-rj28-8c6x","PYSEC-2017-52"],"modified":"2026-07-13T16:43:05.451573089Z","published":"2026-07-09T16:49:46.423703Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2015-7315"},{"type":"WEB","url":"https://github.com/plone/Products.CMFPlone/commit/1845b0a92312291811b68907bf2aa0fb448c4016"},{"type":"WEB","url":"https://github.com/plone/Products.CMFPlone/commit/9f0111f85cd14f3f067044b59b93e2856c99d542"},{"type":"WEB","url":"https://github.com/zopefoundation/Products.CMFCore/commit/e1d981bfa14b664317285f0f36498f4be4a23406"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1264791"},{"type":"PACKAGE","url":"https://github.com/plone/Products.CMFPlone"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2017-52.yaml"},{"type":"WEB","url":"https://plone.org/security/hotfix/20150910/anonymous-is-able-to-create-plone-members"},{"type":"WEB","url":"https://pypi.org/project/Products.PloneHotfix20150910"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2015/09/22/13"},{"type":"PACKAGE","url":"https://pypi.org/project/products-cmfplone"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-984m-rj28-8c6x"}],"affected":[{"package":{"name":"products-cmfplone","ecosystem":"PyPI","purl":"pkg:pypi/products-cmfplone"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.3.0"},{"fixed":"4.3.7"},{"introduced":"5.0a1"},{"fixed":"5.0rc2"}]}],"versions":["4.0b1","4.1","4.1.1","4.1.2","4.1.3","4.1.4","4.1.5","4.1.6","4.1a1","4.1a2","4.1a3","4.1b1","4.1b2","4.1rc2","4.1rc3","4.2","4.2.0.1","4.2.1","4.2.1.1","4.2.2","4.2.3","4.2.4","4.2.5","4.2.6","4.2.7","4.2a1","4.2a2","4.2b1","4.2b2","4.2rc1","4.2rc2","4.3","4.3.1","4.3.2","4.3.3","4.3.4","4.3.4.1","4.3.5","4.3.6","4.3a1","4.3a2","4.3b1","4.3b2","4.3rc1","5.0a1","5.0a2","5.0a3","5.0b1","5.0b1.post1","5.0b2","5.0b3","5.0b4","5.0rc1"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/products-cmfplone/PYSEC-2026-2964.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"}]}