CVE-2021-27237 Cross-site scripting in n/a
An admin can inject malicious scripts via the Display Name field in BlackCat CMS, potentially leading to code execution or account takeover.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-27237?
CVE-2021-27237 is a medium-severity cross-site scripting vulnerability in n/a, published on 16 Feb 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The admin panel in BlackCat CMS 1.3.6 allows stored XSS (by an admin) via the Display Name field to backend/preferences/ajax_save.php.
Weakness: CWE-79
Which versions are affected by CVE-2021-27237?
It affects 1 product.
Products include Blackcat-Cms Blackcat Cms.
How do I fix CVE-2021-27237?
No fix has been published for CVE-2021-27237 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-2021-27237 being exploited?
There is no known exploitation of CVE-2021-27237 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-wmxf-4m6r-mvjr.