CVE-2021-29250 Cross-site scripting in n/a
Stored XSS in BTCPay Server allows attackers to steal cookies via the POS Add Products feature, potentially leading to account takeover.
- 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-2021-29250?
CVE-2021-29250 is a medium-severity cross-site scripting vulnerability in n/a, published on 5 May 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
BTCPay Server through 1.0.7.0 suffers from a Stored Cross Site Scripting (XSS) vulnerability within the POS Add Products functionality. This enables cookie stealing.
Weakness: CWE-79
Which versions are affected by CVE-2021-29250?
It affects 1 product.
Products include Btcpayserver Btcpay Server.
How do I fix CVE-2021-29250?
No fix has been published for CVE-2021-29250 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-2021-29250 being exploited?
There is no known exploitation of CVE-2021-29250 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-28x9-v6gq-r37m.