{"id":"CVE-2026-28413","summary":"Products.isurlinportal: Possible open redirect when using more than 2 forward slashes","details":"Products.isurlinportal is a replacement for isURLInPortal method in Plone. Prior to versions 2.1.0, 3.1.0, and 4.0.0, a url /login?came_from=////evil.example may redirect to an external website after login. This issue has been patched in versions 2.1.0, 3.1.0, and 4.0.0.","aliases":["GHSA-43gx-6gv6-3jcp","PYSEC-2026-112"],"modified":"2026-05-20T08:11:17.028909290Z","published":"2026-03-05T20:16:10.098Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-601"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28413.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28413.json"},{"type":"ADVISORY","url":"https://github.com/plone/Products.isurlinportal/security/advisories/GHSA-43gx-6gv6-3jcp"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28413"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/plone/products.isurlinportal","events":[{"introduced":"ef0918b3a2218c76a9e850e5a78d2630518055ad"},{"fixed":"832e84dcb996b58d5e699b23bc36c798f93ecc84"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-28413.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}