CVE-2021-20128 Cross-site scripting in Draytek VigorConnect
Stored XSS in Draytek VigorConnect allows attackers to inject malicious scripts via the Profile Name field, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-20128?
CVE-2021-20128 is a medium-severity cross-site scripting vulnerability in Draytek VigorConnect, published on 13 Oct 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The Profile Name field in the floor plan (Network Menu) page in Draytek VigorConnect 1.6.0-B3 was found to be vulnerable to stored XSS, as user input is not properly sanitized.
Weakness: CWE-79
Which versions are affected by CVE-2021-20128?
It affects 1 product.
Products include Draytek Vigorconnect.
How do I fix CVE-2021-20128?
No fix has been published for CVE-2021-20128 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-2021-20128 being exploited?
There is no known exploitation of CVE-2021-20128 in the wild and no public exploit code.
Other vulnerabilities in Draytek VigorConnect
- CVE-2021-20123 Draytek VigorConnect Path Traversal Vulnerability
- CVE-2021-20124 Draytek VigorConnect Path Traversal Vulnerability
- CVE-2021-20125 File upload in Draytek VigorConnect
- CVE-2021-20126 Cross-site request forgery in Draytek VigorConnect
- CVE-2021-20127 Path traversal in Draytek VigorConnect
Sources
Also known as GHSA-vj36-fv2g-fcfx.