CVE-2021-32806 – URL Redirection to Untrusted Site ('Open Redirect') in Products.isurlinportal

https://notcve.org/view.php?id=CVE-2021-32806

Products.isurlinportal is a replacement for isURLInPortal method in Plone. Versions of Products.isurlinportal prior to 1.2.0 have an Open Redirect vulnerability. Various parts of Plone use the 'is url in portal' check for security, mostly to see if it is safe to redirect to a url. A url like `https://example.org` is not in the portal. The url `https:example.org` without slashes is considered to be in the portal. • http://jvn.jp/en/jp/JVN50804280/index.html https://github.com/plone/Products.isurlinportal/commit/d4fd34990d18adf05a10dc5e2bb4b066798280ba https://github.com/plone/Products.isurlinportal/security/advisories/GHSA-q3m9-9fj2-mfwr • CWE-601: URL Redirection to Untrusted Site ('Open Redirect') •