{"id":"PYSEC-2026-2888","summary":"Plone and plone.app.users allow remote authenticated users to modify the properties of arbitrary accounts","details":"plone.app.users in Plone 4.0 and 4.1 allows remote authenticated users to modify the properties of arbitrary accounts via unspecified vectors, as exploited in the wild in June 2011.","aliases":["CVE-2011-1950","GHSA-2qx8-589j-gcpx","PYSEC-2011-16"],"modified":"2026-07-13T16:43:10.969610093Z","published":"2026-07-09T16:49:32.377883Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1950"},{"type":"WEB","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/67695"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-2qx8-589j-gcpx"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2011-16.yaml"},{"type":"WEB","url":"http://plone.org/products/plone/security/advisories/CVE-2011-1950"},{"type":"PACKAGE","url":"https://pypi.org/project/plone-app-users"}],"affected":[{"package":{"name":"plone-app-users","ecosystem":"PyPI","purl":"pkg:pypi/plone-app-users"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0a1"},{"fixed":"1.0.5"},{"introduced":"1.1b1"},{"fixed":"1.1.1"}]}],"versions":["1.0","1.0.1","1.0.2","1.0.3","1.0.4","1.0a1","1.0a2","1.0a3","1.0b1","1.0b2","1.0b3","1.0b4","1.0b5","1.0b6","1.0b7","1.0b8","1.0b9","1.1","1.1b1","1.1b2"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/plone-app-users/PYSEC-2026-2888.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:A"}]}