CVE-2018-18940 Cross-site scripting in n/a
Reflected XSS in the default SnoopServlet allows remote attackers to execute arbitrary JavaScript in victim browsers via crafted query parameters.
- 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-2018-18940?
CVE-2018-18940 is a medium-severity cross-site scripting vulnerability in n/a, published on 31 Jan 2019. 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
servlet/SnoopServlet (a servlet installed by default) in Netscape Enterprise 3.63 has reflected XSS via an arbitrary parameter=[XSS] in the query string. A remote unauthenticated attacker could potentially exploit this vulnerability to supply malicious HTML or JavaScript code to a vulnerable web application, which is then reflected back to the victim and executed by the web browser. NOTE: this product is discontinued.
Weakness: CWE-79
Which versions are affected by CVE-2018-18940?
It affects 1 product.
Products include Netscape Enterprise Server.
How do I fix CVE-2018-18940?
No fix has been published for CVE-2018-18940 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-2018-18940 being exploited?
There is no known exploitation of CVE-2018-18940 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-q29r-9jw6-5438.