CVE-2018-19421 File upload in n/a
Attackers can upload malicious .eml files to execute code via Internet Explorer rendering, bypassing HTML upload restrictions in GetSimple CMS.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-19421?
CVE-2018-19421 is a low-severity vulnerability in n/a, published on 21 Nov 2018. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
In GetSimpleCMS 3.3.15, admin/upload.php blocks .html uploads but Internet Explorer render HTML elements in a .eml file, because of admin/upload-uploadify.php, and validate_safe_file in admin/inc/security_functions.php.
Weakness: CWE-434
Which versions are affected by CVE-2018-19421?
It affects 1 product.
Products include Get-Simple Getsimple Cms.
How do I fix CVE-2018-19421?
No fix has been published for CVE-2018-19421 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-19421 being exploited?
There is no known exploitation of CVE-2018-19421 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-6p82-h3ww-f963.