{"id":"PYSEC-2026-731","summary":"Plone Improper Session Management","details":"Plone CMS before 3, places a base64 encoded form of the username and password in the `__ac` cookie for the admin account, which makes it easier for remote attackers to obtain administrative privileges by sniffing the network.","aliases":["CVE-2008-1393","GHSA-593c-j348-f3gv"],"modified":"2026-07-06T08:00:51.643061333Z","published":"2026-07-02T14:13:20.921783Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2008-1393"},{"type":"WEB","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/41427"},{"type":"PACKAGE","url":"https://github.com/plone/Plone"},{"type":"WEB","url":"http://plone.org/documentation/how-to/secure-login-without-plain-text-passwords"},{"type":"WEB","url":"http://plone.org/products/plone/roadmap/48?"},{"type":"WEB","url":"http://securityreason.com/securityalert/3754"},{"type":"WEB","url":"http://www.procheckup.com/Hacking_Plone_CMS.pdf"},{"type":"WEB","url":"http://www.securityfocus.com/archive/1/489544/100/0/threaded"},{"type":"PACKAGE","url":"https://pypi.org/project/plone"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-593c-j348-f3gv"}],"affected":[{"package":{"name":"plone","ecosystem":"PyPI","purl":"pkg:pypi/plone"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0"}]}],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/plone/PYSEC-2026-731.yaml"}}],"schema_version":"1.7.5"}