CVE-2020-20285 Cross-site scripting in n/a
Attackers can inject JavaScript into the zzcms login page via the Referer header, potentially leading to session hijacking or malicious script execution.
- 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-2020-20285?
CVE-2020-20285 is a medium-severity cross-site scripting vulnerability in Zzcms Zzcms, published on 18 Dec 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
There is a XSS in the user login page in zzcms 2019. Users can inject js code by the referer header via user/login.php
Weakness: CWE-79
Which versions are affected by CVE-2020-20285?
It affects 1 product.
Products include Zzcms Zzcms.
How do I fix CVE-2020-20285?
No fix has been published for CVE-2020-20285 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-2020-20285 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-20285 exists.
Public exploit code: 1 Nuclei template.
Other vulnerabilities in Zzcms Zzcms
Sources
Also known as GHSA-wmxq-cjwf-h4w6.