CVE-2022-22690

Umbraco Remote ApplicationURL Overwrite

HIGH
7.5
CVSS Score
Published: January 18, 2022 at 04:52 PM UTC
Updated: June 17, 2026 at 04:28 AM UTC
1 product affected across 1 vendorUmbraco-CMS

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

Description

Within the Umbraco CMS, a configuration element named "UmbracoApplicationUrl" (or just "ApplicationUrl") is used whenever application code needs to build a URL pointing back to the site. For example, when a user resets their password and the application builds a password reset URL or when the administrator invites users to the site. For Umbraco versions less than 9.2.0, if the Application URL is not specifically configured, the attacker can manipulate this value and store it persistently affecting all users for components where the "UmbracoApplicationUrl" is used. For example, the attacker is able to change the URL users receive when resetting their password so that it points to the attackers server, when the user follows this link the reset token can be intercepted by the attacker resulting in account takeover.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 9.2.0
Affected range stops below 9.2.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-444

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