CVE-2023-0493 Improper Neutralization of Equivalent Special Elements in btcpayserver/btcpayserver
An attacker can inject malicious scripts into the BTCPay Server interface, potentially leading to code execution or account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-0493?
CVE-2023-0493 is a medium-severity cross-site scripting vulnerability in btcpayserver/btcpayserver, published on 26 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Neutralization of Equivalent Special Elements in GitHub repository btcpayserver/btcpayserver prior to 1.7.5.
Which versions are affected by CVE-2023-0493?
It affects 1 product.
Products include Btcpayserver Btcpay Server.
How do I fix CVE-2023-0493?
No fix has been published for CVE-2023-0493 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-2023-0493 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-0493 exists.
Public exploit code: 1 Exploit-DB entry.