Is CVE-2026-28413 actively exploited?

CVE-2026-28413 has no public evidence of in-the-wild exploitation as of 2026-03-05.

What is the CVSS score for CVE-2026-28413?

CVE-2026-28413 has a CVSS score of 5.3 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

How do I patch CVE-2026-28413?

Vendor patch guidance is linked from the references on this page. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-28413.

Which products are affected by CVE-2026-28413?

Affected products for CVE-2026-28413 are listed on this page once vendor data becomes available.

CVE-2026-28413 - remediation guidance & executive summary

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: low
Integrity: none
Availability: none
Weaknesses: CWE-601

Metadata

Primary Vendor: UNKNOWN
Published: 3/5/2026
Last Modified: 3/5/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-28413

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary