Description
paymentrequest.py in Electrum before 4.2.2 allows a file:// URL in the r parameter of a payment request (e.g., within QR code data). On Windows, this can lead to capture of credentials over SMB. On Linux and UNIX, it can lead to a denial of service by specifying the /dev/zero filename.
Scores
CVSS v3
5.5
EPSS
0.0026
EPSS Percentile
49.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Details
CWE
CWE-88
Status
published
Products (1)
electrum/electrum
< 4.2.2
Published
Jun 17, 2022
Tracked Since
Feb 18, 2026