CVE-2021-33508: XSS
First published: Fri May 21 2021(Updated: )
Plone through 5.2.4 allows XSS via a full name that is mishandled during rendering of the ownership tab of a content item.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Plone Plone | <=5.2.4 | |
| pip/Plone | <=5.2.4 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2021/05/22/1
- https://plone.org/security/hotfix/20210518/stored-xss-from-user-fullname
- https://nvd.nist.gov/vuln/detail/CVE-2021-33508
- https://github.com/advisories/GHSA-rmpv-rcp6-v8wc (Advisory)
- https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2021-80.yaml
Frequently Asked Questions
What is CVE-2021-33508?
CVE-2021-33508 is a vulnerability in Plone through 5.2.4 that allows XSS attacks via a mishandled full name during rendering of the ownership tab of a content item.
How does CVE-2021-33508 affect Plone?
CVE-2021-33508 affects Plone versions up to and including 5.2.4.
What is the severity of CVE-2021-33508?
CVE-2021-33508 has a severity rating of medium with a CVSS score of 5.4.
How can an attacker exploit CVE-2021-33508?
An attacker can exploit CVE-2021-33508 by injecting malicious code into the full name field of a content item, which is mishandled and renders as XSS.
Is there a fix available for CVE-2021-33508?
Yes, a hotfix is available for CVE-2021-33508 on the Plone website.
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