CVE-2020-21993 Cross-site scripting in n/a
Attackers can execute arbitrary HTML code in user browsers via unsanitized email input in WEMS Limited Enterprise Manager.
- 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-2020-21993?
CVE-2020-21993 is a medium-severity cross-site scripting vulnerability in n/a, published on 28 Apr 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
In WEMS Limited Enterprise Manager 2.58, input passed to the GET parameter 'email' is not properly sanitized before being returned to the user. This can be exploited to execute arbitrary HTML code in a user's browser session in context of an affected site.
Weakness: CWE-79
Which versions are affected by CVE-2020-21993?
It affects 1 product.
Products include Wems Enterprise Manager.
How do I fix CVE-2020-21993?
No fix has been published for CVE-2020-21993 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-2020-21993 being exploited?
There is no known exploitation of CVE-2020-21993 in the wild and no public exploit code.
Sources
Also known as GHSA-4j8r-3vg3-2hg4.