CVE-2021-32857 Cockpit vulnerable to Cross-site Scripting
Attackers can execute arbitrary scripts in user browsers via bad HTML sanitization in Cockpit CMS, potentially leading to session hijacking or data theft.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-32857?
CVE-2021-32857 is a medium-severity cross-site scripting vulnerability in microweber, published on 20 Feb 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2021-32857?
It affects 1 product.
Products include Agentejo Cockpit.
How do I fix CVE-2021-32857?
No fix has been published for CVE-2021-32857 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-32857 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-32857 exists.
Other vulnerabilities in microweber
- CVE-2023-4195 PHP Remote File Inclusion in cockpit-hq/cockpit
- CVE-2024-4825 Unrestricted Upload of File with Dangerous Type vulnerability on Cockpit CMS from Agentejo
- CVE-2022-2818 Improper Removal of Sensitive Information Before Storage or Transfer in cockpit-hq/cockpit
- CVE-2020-35131 Code injection in n/a
- CVE-2020-35846 SQL injection in n/a
Sources
Also known as GHSA-8c8x-phvc-5p9w.