CVE-2020-5765 Cross-site scripting in Tenable Nessus
An authenticated attacker can inject malicious scripts into scan configurations, leading to arbitrary code execution in victim 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-2020-5765?
CVE-2020-5765 is a medium-severity cross-site scripting vulnerability in Tenable Nessus, published on 15 Jul 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
Nessus 8.10.0 and earlier were found to contain a Stored XSS vulnerability due to improper validation of input during scan configuration. An authenticated, remote attacker could potentially exploit this vulnerability to execute arbitrary code in a user's session. Tenable has implemented additional input validation mechanisms to correct this issue in Nessus 8.11.0.
Weakness: CWE-79
Which versions are affected by CVE-2020-5765?
It affects 1 product.
Products include Tenable Nessus.
How do I fix CVE-2020-5765?
No fix has been published for CVE-2020-5765 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-2020-5765 being exploited?
There is no known exploitation of CVE-2020-5765 in the wild and no public exploit code.
Other vulnerabilities in Tenable Nessus
Sources
Also known as GHSA-w56w-fjv4-mc6j.