CVE-2026-28413
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Plone Isurlinportal
PublishedMar 5, 2026
First seenMar 5, 2026
Weakness typeCWE-601Open redirect
How to fix
Update
- plone isurlinportal2.1.0, 3.1.0 or later
- products-isurlinportal4.0.0, 3.1.0, 2.1.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| plone isurlinportal | v < 2.1.0, 3.0.0 ≤ v < 3.1.0, 4.0.0 | 2.1.0, 3.1.0 |
| products-isurlinportalPyPI | 4.0.0a1 ≤ v < 4.0.0, 3.0.0 ≤ v < 3.1.0, v < 2.1.0 | 4.0.0, 3.1.0, 2.1.0 |
Check your version
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