| Package | Affected versions | Patched versions |
|---|---|---|
| plone | ≥ 2.1, < 4.1.1≥ 4.2, < 4.2.6≥ 4.3, < 4.3.2 | 4.1.14.2.64.3.2 |
| plone | = 2.1= 2.1.1= 2.1.2= 2.1.3= 2.1.4= 3.0= 3.0.1= 3.0.2= 3.0.3= 3.0.4= 3.0.5= 3.0.6= 3.1= 3.1.1= 3.1.2= 3.1.3= 3.1.4= 3.1.5.1= 3.1.6= 3.1.7= 3.2= 3.2.1= 3.2.2= 3.2.3= 3.3= 3.3.1= 3.3.2= 3.3.3= 3.3.4= 3.3.5= 4.0= 4.0.1= 4.0.2= 4.0.3= 4.0.4= 4.0.5= 4.0.6.1= 4.1= 4.2= 4.2.1= 4.2.2= 4.2.3= 4.2.4= 4.2.5= 4.3= 4.3.1 |
The isURLInPortal method in the URLTool class in in_portal.py in Plone 2.1 through 4.1, 4.2.x through 4.2.5, and 4.3.x through 4.3.1 treats URLs starting with a space as a relative URL, which allows remote attackers to bypass the allow_external_login_sites filtering property, redirect users to arbitrary web sites, and conduct phishing attacks via a space before a URL in the "next" parameter to acl_users/credentials_cookie_auth/require_login.
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