CVE-2021-33513: XSS

Published May 21, 2021
·
Updated

Plone through 5.2.4 allows XSS via the inlinediff methods in Products.CMFDiffTool.

Affected Software

2 affected components
pip/Plone<=5.2.4
Plone plone<=5.2.4

Event History

May 21, 2021
CVE Published
via MITRE·09:31 PM
Data Sourced
via MITRE·09:31 PM
Description
Jun 8, 2021
Advisory Published
via GitHub·11:19 PM
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Frequently Asked Questions

1

What is CVE-2021-33513?

CVE-2021-33513 is a vulnerability in Plone through version 5.2.4 that allows XSS (Cross-Site Scripting) attacks via the inline_diff methods in Products.CMFDiffTool.

2

How severe is CVE-2021-33513?

CVE-2021-33513 has a severity rating of medium with a CVSS score of 5.4.

3

How can I exploit CVE-2021-33513?

To exploit CVE-2021-33513, an attacker can use Cross-Site Scripting techniques to inject malicious scripts into a vulnerable Plone application, which may then be executed by unsuspecting users.

4

What is the impacted software for CVE-2021-33513?

Plone versions up to and including 5.2.4 are affected by CVE-2021-33513.

5

How can I mitigate CVE-2021-33513?

To mitigate CVE-2021-33513, it is recommended to update your Plone installation to a version that includes the provided security hotfix or patch. Additionally, make sure to follow best practices for input validation and output encoding to prevent XSS attacks.

Contact

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