CVE-2018-6518 Cross-site scripting in n/a
Cross-site scripting in Composr CMS allows attackers to inject scripts via the site_name parameter during setup, potentially leading to session hijacking or code execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2018-6518?
CVE-2018-6518 is a medium-severity cross-site scripting vulnerability in n/a, published on 26 Apr 2018. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Composr CMS 10.0.13 has XSS via the site_name parameter in a page=admin-setupwizard&type=step3 request to /adminzone/index.php.
Weakness: CWE-79
Which versions are affected by CVE-2018-6518?
It affects 1 product.
Products include Compo Composr Cms.
How do I fix CVE-2018-6518?
No fix has been published for CVE-2018-6518 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-2018-6518 being exploited?
There is no known exploitation of CVE-2018-6518 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-xxcj-mmq5-mg5m.