CVE-2023-0748

MEDIUM

btcpayserver < 1.7.6 - Open Redirect

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-0748. PoCs published by gonzxph.

AI-analyzed exploit summary This PoC demonstrates an open redirect vulnerability in BTCPayServer 1.7.5 and lower, where the `returnUrl` parameter in the recovery seed backup endpoint can be manipulated to redirect users to an arbitrary domain. The attack requires user interaction to click a crafted link and confirm an action.

Description

Open Redirect in GitHub repository btcpayserver/btcpayserver prior to 1.7.6.

Exploits (1)

nomisec WORKING POC
by gonzxph · poc
https://github.com/gonzxph/CVE-2023-0748

This PoC demonstrates an open redirect vulnerability in BTCPayServer 1.7.5 and lower, where the `returnUrl` parameter in the recovery seed backup endpoint can be manipulated to redirect users to an arbitrary domain. The attack requires user interaction to click a crafted link and confirm an action.

Classification
Working Poc 100%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: BTCPayServer <= 1.7.5
Auth required
Prerequisites: User must be logged in · User must click a crafted link · User must confirm action
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Scores

CVSS v3 6.4
EPSS 0.0061
EPSS Percentile 44.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-601
Status published
Products (1)
btcpayserver/btcpayserver < 1.7.6
Published Feb 08, 2023
Tracked Since Feb 18, 2026