CVE-2022-23049 Cross-site scripting in Exponent CMS
Authenticated users can inject persistent JavaScript via User-Agent headers, leading to administrator session compromise when viewing user sessions.
- 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-2022-23049?
CVE-2022-23049 is a medium-severity cross-site scripting vulnerability in Exponentcms Exponent Cms, 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
Exponent CMS 2.6.0patch2 allows an authenticated user to inject persistent JavaScript code on the "User-Agent" header when logging in. When an administrator user visits the "User Sessions" tab, the JavaScript will be triggered allowing an attacker to compromise the administrator session.
Weakness: CWE-79
Which versions are affected by CVE-2022-23049?
It affects 1 product.
Products include Exponentcms Exponent Cms.
How do I fix CVE-2022-23049?
No fix has been published for CVE-2022-23049 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-2022-23049 being exploited?
There is no known exploitation of CVE-2022-23049 in the wild and no public exploit code.
Other vulnerabilities in Exponentcms Exponent Cms
Sources
Also known as GHSA-9r8c-8qcg-679m.