CVE-2021-42558 Cross-site scripting in n/a
Attackers can inject malicious scripts into CALDERA, potentially executing code or hijacking user sessions.
- 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-2021-42558?
CVE-2021-42558 is a medium-severity cross-site scripting vulnerability in n/a, published on 12 Jan 2022. 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
An issue was discovered in CALDERA 2.8.1. It contains multiple reflected, stored, and self XSS vulnerabilities that may be exploited by authenticated and unauthenticated attackers.
Weakness: CWE-79
Which versions are affected by CVE-2021-42558?
It affects 1 product.
Products include Mitre Caldera.
How do I fix CVE-2021-42558?
No fix has been published for CVE-2021-42558 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-2021-42558 being exploited?
There is no known exploitation of CVE-2021-42558 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-jgxc-wj8j-5rmx.