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.
Scores
CVSS v3
5.3
EPSS
0.0001
EPSS Percentile
1.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-601
Status
published
Products (2)
plone/isurlinportal
4.0.0 alpha1
plone/isurlinportal
< 2.1.0
Published
Mar 05, 2026
Tracked Since
Mar 06, 2026