CVSS 3.1
6.1 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NCVE-2026-28413
Medium (6.1) in plone isurlinportal. EPSS 0.3% chance of exploitation in the next 30 days. Fixed in products-isurlinportal 2.1.0, 3.1.0, 4.0.0.
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.
Severity
- EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 17% of CVEs (scores of 2026-10-31)
- CWE
- CWE-601
- Published
- Modified
- Record from
- the NVD, synced
Affected
- plone:isurlinportal
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-43gx-6gv6-3jcp | PyPI | products-isurlinportal | >=4.0.0a1 <4.0.0 | 4.0.0 |
| GHSA-43gx-6gv6-3jcp | PyPI | products-isurlinportal | >=3.0.0 <3.1.0 | 3.1.0 |
| GHSA-43gx-6gv6-3jcp | PyPI | products-isurlinportal | <2.1.0 | 2.1.0 |
| GHSA-43gx-6gv6-3jcp | PyPI | products-isurlinportal | <2.1.0 | 2.1.0 |
| GHSA-43gx-6gv6-3jcp | PyPI | products-isurlinportal | >=3.0.0 <3.1.0 | 3.1.0 |
| PYSEC-2026-112 | PyPI | products-isurlinportal | <2.1.0 >=3.0.0 <3.1.0 | 2.1.0, 3.1.0 |