CVE-2023-49273: medium-severity vulnerability in Umbraco-CMS
Umbraco CMS vulnerable to Privilege Escalation using Spoofing
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.4epss 0.4%
Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.8.1, and 12.3.4, users with low privileges (Editor, etc.) are able to access some unintended endpoints. Versions 8.18.10, 10.8.1, and 12.3.4 contain a patch for this issue.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Affected products
umbraco · Umbraco-CMSRelated CVEs — Umbraco-CMS
In the same product, most dangerous first.
CVE-2025-24011MEDIUMUmbraco CMS Vulnerable to User Enumeration Feasible Based On Management API Timing and Response CodesEPSS 1.6%CVE-2023-37267HIGHUmbraco allows possible Admin-level access to backoffice without Auth under rare conditionsEPSS 0.7%CVE-2026-69197HIGHUmbraco: Delivery API leaks protected (Public Access) content through Content Picker / Multi-Node Tree Picker expansionEPSS 0.7%CVE-2025-32017HIGHUmbraco has a Management API Vulnerability to Path Traversal With Authenticated UsersEPSS 0.6%CVE-2023-49089HIGHUmbraco CMS possible path traversal when creating packages from backofficeEPSS 0.6%CVE-2023-49278MEDIUMUmbraco CMS brute force exploit can be used to collect valid usernamesEPSS 0.5%