CVE-2018-1000998 Cross-site scripting in n/a
An attacker can execute arbitrary scripts in the victim's browser via a crafted URL in FreeBSD CVSweb, potentially affecting other sites on the same domain.
- 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
- Available
What is CVE-2018-1000998?
CVE-2018-1000998 is a medium-severity cross-site scripting vulnerability in n/a, published on 4 Feb 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
FreeBSD CVSweb version 2.x contains a Cross Site Scripting (XSS) vulnerability in all pages that can result in limited impact--CVSweb is anonymous & read-only. It might impact other sites on same domain. This attack appears to be exploitable via victim must load specially crafted url. This vulnerability appears to have been fixed in 3.x.
Weakness: CWE-79
Which versions are affected by CVE-2018-1000998?
It affects 1 product.
Products include Freebsd Cvsweb.
How do I fix CVE-2018-1000998?
Upgrade to a fixed version.
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-2018-1000998 being exploited?
There is no known exploitation of CVE-2018-1000998 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2018-1000998, GHSA-mxq7-h42w-wh9g.