High severity · published Jan 26, 2023
CVE-2023-0493
Improper Neutralization of Equivalent Special Elements in btcpayserver/btcpayserver
8.8
CVSS
7.9%
EPSS
No
On KEV
Description
Improper Neutralization of Equivalent Special Elements in GitHub repository btcpayserver/btcpayserver prior to 1.7.5.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)7.9% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BT
btcpayserver/btcpayserver · btcpayserver
before 1.7.5 · source: vendor
BS
Btcpay Server · Btcpayserver
before 1.7.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-0493
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-0493
Third Party Advisory
http://packetstormsecurity.com/files/171732/BTCPay-Server-1.7.4-HTML-Injection.html
Patch
https://github.com/btcpayserver/btcpayserver/pull/4545/commits/02070d65836cd24627929b3403efbae8de56039a
Exploit
https://huntr.dev/bounties/3a73b45c-6f3e-4536-a327-cdfdbc59896f
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