What’s Vulnerable › Vulnerabilities

CVE-2020-7936

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-01-23 · updated 2026-06-17
• Weakness: CWE-601

Description

An open redirect on the login form (and possibly other places) in Plone 4.0 through 5.2.1 allows an attacker to craft a link to a Plone Site that, when followed, and possibly after login, will redirect to an attacker's site.

Affected products

• Plone CMS: from 4.0.0 through 5.2.1

References

• http://www.openwall.com/lists/oss-security/2020/01/24/1
• https://plone.org/security/hotfix/20200121
• https://plone.org/security/hotfix/20200121/an-open-redirection-on-the-login-form-and-possibly-other-places
• https://www.openwall.com/lists/oss-security/2020/01/22/1
• http://www.openwall.com/lists/oss-security/2020/01/24/1
• https://plone.org/security/hotfix/20200121
• https://plone.org/security/hotfix/20200121/an-open-redirection-on-the-login-form-and-possibly-other-places
• https://www.openwall.com/lists/oss-security/2020/01/22/1

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