CVE-2016-4042: Plone Information Disclosure Vulnerability
Summary
CVE-2016-4042: Plone 3.3 through 5.1a1 allows remote attackers to obtain information about the ID of sensitive content via unspecified vectors. Affects plone versions >= 3.3, < 5.1a2. Fixed in 5.1a2. How to fix ↓
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Background
Plone is an open-source content management system built on top of the Zope application server. It provides a robust and flexible platform for creating and managing websites, intranets, and web applications. Plone allows users to create and publish content, manage user permissions, and customize the appearance and functionality of their sites. However, versions 3.3 through 5.1a1 of Plone are vulnerable to an information disclosure issue.
Vulnerability Detail
The vulnerability in Plone allows remote attackers to obtain sensitive content information by exploiting unspecified vectors. This could lead to the exposure of sensitive data, such as user credentials, private documents, or other confidential information. The exact details of the attack vectors are not disclosed in the vulnerability report.
How To Fix
Latest published version: 6.2.2 as of 23 Oct 2026
pip install --upgrade "plone==6.2.2"Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
5.1a2
This is the first release that contains the fix.
pip install --upgrade "plone==5.1a2"Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
No specific workaround is provided in the vulnerability report. Users are advised to upgrade to the fixed version of Plone as mentioned in the 'how_to_fix' section.
Conclusion
The Plone information disclosure vulnerability (CVE-2016-4042) allows remote attackers to obtain sensitive content information. Users of Plone should upgrade to version 5.1a2 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for plone →
FAQ
Plone is an open-source content management system built on top of the Zope application server. It provides a platform for creating and managing websites, intranets, and web applications.
Versions 3.3 through 5.1a1 of Plone are affected by this vulnerability.
The vulnerability allows remote attackers to obtain sensitive content information, potentially leading to the exposure of confidential data.
To fix this vulnerability, upgrade to Plone version 5.1a2 or later.
No specific workaround is provided. It is recommended to upgrade to the fixed version of Plone.
References
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