CVE-2021-28935 Cross-site scripting in n/a
Authenticated attackers can execute arbitrary scripts via the Title field in CMS Made Simple admin preferences.
- 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-2021-28935?
CVE-2021-28935 is a medium-severity cross-site scripting vulnerability in Cmsmadesimple Cms Made Simple, published on 30 Mar 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
CMS Made Simple (CMSMS) 2.2.15 allows authenticated XSS via the /admin/addbookmark.php script through the Site Admin > My Preferences > Title field.
Weakness: CWE-79
Which versions are affected by CVE-2021-28935?
It affects 1 product.
Products include Cmsmadesimple Cms Made Simple.
How do I fix CVE-2021-28935?
No fix has been published for CVE-2021-28935 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-2021-28935 being exploited?
There is no known exploitation of CVE-2021-28935 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Cmsmadesimple Cms Made Simple
Sources
Also known as GHSA-wp8v-vmmw-x266.