CVE-2020-23774 Cross-site scripting in n/a
Reflected XSS in Winmail allows attackers to execute arbitrary JavaScript in victim browsers via the convert.php script.
- 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-2020-23774?
CVE-2020-23774 is a medium-severity cross-site scripting vulnerability in n/a, published on 26 Jan 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
A reflected XSS vulnerability exists in tohtml/convert.php of Winmail 6.5, which can cause JavaScript code to be executed.
Weakness: CWE-79
Which versions are affected by CVE-2020-23774?
It affects 1 product.
Products include Winmail Project Winmail.
How do I fix CVE-2020-23774?
No fix has been published for CVE-2020-23774 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-2020-23774 being exploited?
There is no known exploitation of CVE-2020-23774 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-4r8h-m8q8-74wm.