CVE-2021-44911 File upload in n/a
Attackers can upload arbitrary files, including HTML, to trigger stored XSS or potentially execute code due to insufficient file type restrictions.
- 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-2021-44911?
CVE-2021-44911 is a medium-severity vulnerability in n/a, published on 9 Feb 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
XE before 1.11.6 is vulnerable to Unrestricted file upload via modules/menu/menu.admin.controller.php. When uploading the Mouse over button and When selected button, there is no restriction on the file suffix, which leads to any file uploading to the files directory. Since .htaccess only restricts the PHP type, uploading HTML-type files leads to stored XSS vulnerabilities.
Weakness: CWE-79
Which versions are affected by CVE-2021-44911?
It affects 1 product.
Products include Xpressengine Xpressengine.
How do I fix CVE-2021-44911?
No fix has been published for CVE-2021-44911 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-44911 being exploited?
There is no known exploitation of CVE-2021-44911 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-q7jv-w6j9-rf5f.