GHSA-56p3-rrp4-2j82

ghsaUSosv

Plone Open Redirection vulnerability via next parameter

view advisory published 2022-05-14Licence: CC-BY-4.0

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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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2013-4200USmedium5.8Exploit
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…
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references

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