CVE-2017-8103 Cross-site scripting in n/a
Cross-site scripting vulnerability in MyBB allows attackers to inject malicious scripts via the Email MyCode component, potentially leading to session hijacking or code execution.
- 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-2017-8103?
CVE-2017-8103 is a medium-severity cross-site scripting vulnerability in Mybb Mybb, published on 24 Apr 2017. 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
In MyBB before 1.8.11, the Email MyCode component allows XSS, as demonstrated by an onmouseover event.
Weakness: CWE-79
Which versions are affected by CVE-2017-8103?
It affects 1 product.
Products include Mybb Mybb.
How do I fix CVE-2017-8103?
No fix has been published for CVE-2017-8103 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-2017-8103 being exploited?
There is no known exploitation of CVE-2017-8103 in the wild and no public exploit code.
Other vulnerabilities in Mybb Mybb
Sources
Also known as GHSA-gwpv-3g6g-55cg.