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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-28413

Products.isurlinportal: Possible open redirect when using more than 2 forward slashes

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

plone Products.isurlinportal

  • < 4.0.0affected
  • < 3.1.0affected
  • < 2.1.0affected

References