CVE-2021-32536 MCU Technologies MCUsystem - Reflected XSS
Remote attackers can inject JavaScript into the login page of MCUsystem, enabling reflected XSS attacks without requiring privileges.
- 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-2021-32536?
CVE-2021-32536 is a medium-severity cross-site scripting vulnerability in MCUsystem, published on 18 Jun 2021. 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
The login page in the MCUsystem does not filter with special characters, which allows remote attackers can inject JavaScript without privilege and thus perform reflected XSS attacks.
Weakness: CWE-79
Which versions are affected by CVE-2021-32536?
It affects 1 product.
Products include Mcusystem Mcusystem.
How do I fix CVE-2021-32536?
No fix has been published for CVE-2021-32536 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-2021-32536 being exploited?
There is no known exploitation of CVE-2021-32536 in the wild and no public exploit code.
Sources
Also known as GHSA-2788-q3c5-xfcj.