{"id":"CVE-2011-1950","aliases":["GHSA-2qx8-589j-gcpx","PYSEC-2011-16","PYSEC-2026-2888"],"title":"Plone and plone.app.users allow remote authenticated users to modify the properties of arbitrary accounts","summary":"Plone and plone.app.users allow remote authenticated users to modify the properties of arbitrary accounts","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","vendor":"plone-app-users","product":"plone-app-users","ecosystem":"pip","affected":["plone-app-users >= 1.0a1, < 1.0.5","plone-app-users >= 1.1b1, < 1.1.1","plone >= 4.0.1, < 4.0.6","plone >= 4.1.0, < 4.1.1"],"patched":["plone-app-users 1.0.5","plone-app-users 1.1.1","plone 4.0.6","plone 4.1.1"],"published":"2018-07-23","updated":"2026-07-13","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-2qx8-589j-gcpx","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1950"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/67695"},{"url":"https://github.com/advisories/GHSA-2qx8-589j-gcpx"},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2011-16.yaml"},{"url":"http://plone.org/products/plone/security/advisories/CVE-2011-1950"}],"tags":["osv","pip","in-the-wild"],"epss":0.02349,"epssPercentile":0.82777,"exploited":true,"ingestedAt":"2026-07-13T18:57:51.379Z","slug":"CVE-2011-1950","body":"## Overview\n\nplone.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.\n\n## Affected packages\n\n- `plone-app-users >= 1.0a1, < 1.0.5`\n- `plone-app-users >= 1.1b1, < 1.1.1`\n- `plone >= 4.0.1, < 4.0.6`\n- `plone >= 4.1.0, < 4.1.1`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `plone-app-users 1.0.5`\n- `plone-app-users 1.1.1`\n- `plone 4.0.6`\n- `plone 4.1.1`","depth":"twilight","depthScore":54,"depthScoreParts":{"impact":35.8,"likelihood":0.5,"exploitation":18,"ransomware":0},"changes":[]}