CVE-2021-40840 Cross-site scripting in n/a
Attackers can inject malicious scripts into the admin user form, potentially compromising administrator sessions and executing code in the browser.
- 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-2021-40840?
CVE-2021-40840 is a medium-severity cross-site scripting vulnerability in n/a, published on 18 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
A Stored XSS issue exists in the admin/users user administration form in LiveConfig 2.12.2.
Weakness: CWE-79
Which versions are affected by CVE-2021-40840?
It affects 1 product.
Products include Liveconfig Liveconfig.
How do I fix CVE-2021-40840?
No fix has been published for CVE-2021-40840 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-2021-40840 being exploited?
There is no known exploitation of CVE-2021-40840 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-wvx4-63c7-qh83.