CVE-2021-33507: XSS
First published: Fri May 21 2021(Updated: )
Zope Products.CMFCore before 2.5.1 and Products.PluggableAuthService before 2.6.2, as used in Plone through 5.2.4 and other products, allow Reflected XSS.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Plone Plone | <=4.3.20 | |
| Plone Plone | >=5.0<=5.2.4 | |
| Zope Zope | <2.5.1 | |
| pip/Plone | <=5.2.4 | |
| pip/Products.PluggableAuthService | <2.6.2 | 2.6.2 |
| pip/Products.CMFCore | <2.5.1 | 2.5.1 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2021/05/22/1
- https://plone.org/security/hotfix/20210518/reflected-xss-in-various-spots
- https://nvd.nist.gov/vuln/detail/CVE-2021-33507
- https://github.com/advisories/GHSA-35rg-466w-77h3 (Advisory)
- https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2021-79.yaml
Frequently Asked Questions
What is CVE-2021-33507?
CVE-2021-33507 is a vulnerability that allows Reflected XSS in Zope Products.CMFCore and Products.PluggableAuthService, as used in Plone through version 5.2.4 and other products.
How severe is CVE-2021-33507?
CVE-2021-33507 has a severity rating of 6.1, which is considered medium.
What software versions are affected by CVE-2021-33507?
Plone versions up to 4.3.20 and versions between 5.0 and 5.2.4, as well as Zope versions up to 2.5.1 are affected by CVE-2021-33507.
What is the Common Weakness Enumeration (CWE) ID for CVE-2021-33507?
CVE-2021-33507 is associated with CWE-79, which is the category for Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
How can I fix CVE-2021-33507?
To fix CVE-2021-33507, update Zope Products.CMFCore to version 2.5.1 or later, and update Products.PluggableAuthService to version 2.6.2 or later.
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