BlogEngine.NET 3.3.7.0 allows a Client Side URL Redirect via the ReturnUrl parameter, related to BlogEngine/BlogEngine.Core/Services/Security/Security.cs, login.aspx, and register.aspx.
https://www.securitymetrics.com/blog/Blogenginenet-Directory-Traversal-Listing-Login-Page-Unvalidated-Redirect
https://github.com/rxtur/BlogEngine.NET/commits/master
Source: Mitre, NVD
Published: 2019-07-03
Updated: 2026-06-17
Base Score: 5.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00199