CVE-2020-35852 Cross-site scripting in n/a
Attackers can execute arbitrary scripts via stored XSS by uploading malicious SVG or XML files due to lack of file upload restrictions.
- 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-2020-35852?
CVE-2020-35852 is a medium-severity cross-site scripting vulnerability in n/a, published on 23 Feb 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
Chatbox is affected by cross-site scripting (XSS). An attacker has to upload any XSS payload with SVG, XML file in Chatbox. There is no restriction on file upload in Chatbox which leads to stored XSS.
Weakness: CWE-79
Which versions are affected by CVE-2020-35852?
It affects 1 product.
Products include Getgist Chatbox.
How do I fix CVE-2020-35852?
No fix has been published for CVE-2020-35852 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-2020-35852 being exploited?
There is no known exploitation of CVE-2020-35852 in the wild and no public exploit code.
Sources
Also known as GHSA-hrgf-mc75-gm4x.