Products.isurlinportal is a replacement for isURLInPortal method in Plone.

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. Mar 5, 2026 · NIST NVD

   Detected

   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.

2. Jun 17, 2026 · NIST NVD

   Updated

   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

• cpe plone/isurlinportalversion unspecified
• cpe plone/isurlinportal4.0.0

Sources

• CVE.orgVulnerability recordCVE-2026-28413

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-28413

  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.

  nvd.nist.gov

References

• Vendor Advisory · github.com