CVE-2017-18103 Cross-site scripting in atlassian-http
Remote attackers can spoof web content in Firefox via uploaded MathML files, affecting Atlassian products using the vulnerable library.
- 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-2017-18103?
CVE-2017-18103 is a medium-severity cross-site scripting vulnerability in atlassian-http, published on 18 Jul 2018. 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
The atlassian-http library, as used in various Atlassian products, before version 2.0.2 allows remote attackers to spoof web content in the Mozilla Firefox Browser through uploaded files that have a content-type of application/mathml+xml.
Weakness: CWE-20
Which versions are affected by CVE-2017-18103?
It affects 1 product.
Products include Atlassian Http Library.
How do I fix CVE-2017-18103?
No fix has been published for CVE-2017-18103 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-2017-18103 being exploited?
There is no known exploitation of CVE-2017-18103 in the wild and no public exploit code.
Sources
Also known as GHSA-m3qc-55mg-4c8m.