CVE-2018-19146 Cross-site scripting in n/a
Administrators can upload malicious SVG files containing scripts, leading to cross-site scripting attacks in Concrete5.
- 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-2018-19146?
CVE-2018-19146 is a medium-severity cross-site scripting vulnerability in Concretecms Concrete Cms, published on 17 Jun 2019. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Concrete5 8.4.3 has XSS because config/concrete.php allows uploads (by administrators) of SVG files that may contain HTML data with a SCRIPT element.
Weakness: CWE-79
Which versions are affected by CVE-2018-19146?
It affects 1 product.
Products include Concretecms Concrete Cms.
How do I fix CVE-2018-19146?
No fix has been published for CVE-2018-19146 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-2018-19146 being exploited?
There is no known exploitation of CVE-2018-19146 in the wild and no public exploit code.
Other vulnerabilities in Concretecms Concrete Cms
- CVE-2023-48648 Concrete CMS allows unauthorized access because directories can be created with insecure permissions
- CVE-2022-21829 Code injection in concrete CMS
- CVE-2021-22958 Server-Side Request Forgery vulnerability in concrete5
- CVE-2021-40098 Path traversal in n/a
- CVE-2026-8134 Concrete CMS Vulnerable to Relative Path Traversal
Sources
Also known as GHSA-29ww-8733-7wfv.