CVE-2021-38143 Cross-site scripting in n/a
Stored XSS in Form Tools allows attackers to steal admin session cookies by injecting payloads into customer name fields.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-38143?
CVE-2021-38143 is a medium-severity cross-site scripting vulnerability in n/a, published on 31 Aug 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An issue was discovered in Form Tools through 3.0.20. When an administrator creates a customer account, it is possible for the customer to log in and proceed with a change of name and last name. However, these fields are vulnerable to XSS payload insertion, being triggered in the admin panel when the admin tries to see the client list. This type of XSS (stored) can lead to the extraction of the PHPSESSID cookie belonging to the admin.
Weakness: CWE-79
Which versions are affected by CVE-2021-38143?
It affects 1 product.
Products include Formtools Core.
How do I fix CVE-2021-38143?
No fix has been published for CVE-2021-38143 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-2021-38143 being exploited?
There is no known exploitation of CVE-2021-38143 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-7jr4-xg2j-23mp.