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.
{
"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"
}{
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "2.1.0"
},
{
"introduced": "3.0.0"
},
{
"fixed": "3.1.0"
}
],
"cpe": "cpe:2.3:a:plone:isurlinportal:*:*:*:*:*:plone:*:*",
"source": "CPE_RANGE"
}