URL Redirection Vulnerability in Plone Product by a Recognized Vendor
CVE-2026-28413

5.3MEDIUM

Key Information:

Vendor

Plone

Status
Products.isurlinportal
Vendor
CVE Published:
5 March 2026

What is CVE-2026-28413?

A URL redirection vulnerability exists in the Products.isurlinportal component of Plone, affecting versions prior to 2.1.0, 3.1.0, and 4.0.0. This vulnerability allows attackers to manipulate the login process such that a user could be redirected to an external malicious website post-login. The issue has been addressed in the latest versions of the product, ensuring that such redirects can no longer occur. Users are urged to upgrade to the patched versions to mitigate any security risks.

Affected Version(s)

Products.isurlinportal < 4.0.0 < 4.0.0

Products.isurlinportal < 3.1.0 < 3.1.0

Products.isurlinportal < 2.1.0 < 2.1.0

References

https://github.com/plone/Products.isurlinportal/security/...
x_refsource_CONFIRM

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.