CVE-2018-17128 Cross-site scripting in n/a
Attackers can inject persistent scripts via Video MyCode in the Visual Editor, potentially stealing user sessions or executing malicious code.
- 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-2018-17128?
CVE-2018-17128 is a medium-severity cross-site scripting vulnerability in Mybb Mybb, published on 17 Sep 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A Persistent XSS issue was discovered in the Visual Editor in MyBB before 1.8.19 via a Video MyCode.
Weakness: CWE-79
Which versions are affected by CVE-2018-17128?
It affects 1 product.
Products include Mybb Mybb.
How do I fix CVE-2018-17128?
No fix has been published for CVE-2018-17128 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-2018-17128 being exploited?
There is no known exploitation of CVE-2018-17128 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Mybb Mybb
Sources
Also known as GHSA-r7p2-q976-j5xh.