CVE-2017-6556 Cross-site scripting in n/a
Authenticated attackers can inject arbitrary scripts via global metadata settings in CMS Made Simple, potentially leading to session hijacking or code execution.
- 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-2017-6556?
CVE-2017-6556 is a medium-severity cross-site scripting vulnerability in Cmsmadesimple Cms Made Simple, published on 9 Mar 2017. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Cross-site scripting (XSS) vulnerability in CMS Made Simple (CMSMS) 2.1.6 allows remote authenticated users to inject arbitrary web script or HTML via the "adminpage > sitesetting > General Settings > globalmetadata" field.
Weakness: CWE-79
Which versions are affected by CVE-2017-6556?
It affects 1 product.
Products include Cmsmadesimple Cms Made Simple.
How do I fix CVE-2017-6556?
No fix has been published for CVE-2017-6556 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-2017-6556 being exploited?
There is no known exploitation of CVE-2017-6556 in the wild and no public exploit code.
Other vulnerabilities in Cmsmadesimple Cms Made Simple
Sources
Also known as GHSA-xrwq-4gxw-wvh5.