CVE-2021-32857

Name: CVE-2021-32857
Creator: NVD / NIST
Published: 2023-02-21T15:15:11.63+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.71%

Last modified Jun 17, 2026

CVE-2021-32857 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Cockpit is a content management system that allows addition of content management functionality to any site. In versions 0.12.2 and prior, bad HTML sanitization in `htmleditor.js` may lead to cross-site scripting (XSS) issues. EPSS estimates a 0.71% chance of exploitation in the next 30 days.

Description

Cockpit is a content management system that allows addition of content management functionality to any site. In versions 0.12.2 and prior, bad HTML sanitization in `htmleditor.js` may lead to cross-site scripting (XSS) issues. There are no known patches for this issue.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.71%

48.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Agentejo	Cockpit	<= 0.12.2

References

https://github.com/agentejo/cockpit/blob/f7cd602bcc6134657ccfeb4e400b0050943dd243/assets/lib/uikit/js/components/htmleditor.jsPatch, Third Party Advisory
https://github.com/agentejo/cockpit/commit/0c6628cbff3e49bc317c97b03a4666b3a75f76ccPatch, Third Party Advisory
https://securitylab.github.com/advisories/GHSL-2021-1035_Cockpit_Next/Exploit, Third Party Advisory
https://github.com/agentejo/cockpit/blob/f7cd602bcc6134657ccfeb4e400b0050943dd243/assets/lib/uikit/js/components/htmleditor.jsPatch, Third Party Advisory
https://github.com/agentejo/cockpit/commit/0c6628cbff3e49bc317c97b03a4666b3a75f76ccPatch, Third Party Advisory
https://securitylab.github.com/advisories/GHSL-2021-1035_Cockpit_Next/Exploit, Third Party Advisory

Timeline

Published: Feb 21, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-32857?

How severe is CVE-2021-32857?

CVE-2021-32857 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.

How do I fix CVE-2021-32857?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-32857?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST