CVE-2022-40849 ThinkCMF Stored Cross-Site Scripting (XSS)
Attackers can inject persistent JavaScript in ThinkCMF Slideshow Management to steal administrator session tokens and take over accounts.
- 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
- Available
What is CVE-2022-40849?
CVE-2022-40849 is a medium-severity cross-site scripting vulnerability in n/a, published on 1 Dec 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
ThinkCMF version 6.0.7 is affected by Stored Cross-Site Scripting (XSS). An attacker who successfully exploited this vulnerability could inject a Persistent XSS payload in the Slideshow Management section that execute arbitrary JavaScript code on the client side, e.g., to steal the administrator's PHP session token (PHPSESSID).
Weakness: CWE-79
Which versions are affected by CVE-2022-40849?
2 open source packages ship an affected version, including thinkcmf/thinkcmf. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
thinkcmf/thinkcmf Packagist | All versions | 6.0.8 |
thinkcmf/thinkcmf Packagist | All versions | 6.0.8 |
Products include Thinkcmf Thinkcmf.
How do I fix CVE-2022-40849?
Upgrade thinkcmf/thinkcmf to 6.0.8 or later.
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-2022-40849 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-40849 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-m9mf-rqx6-2xpc.