Umbraco CMS up to 12.1.x SVG File cross site scripting

Summaryinfo

A vulnerability classified as problematic has been found in Umbraco CMS up to 7.15.10/8.18.8/10.6.x/11.4.x/12.1.x. Affected is an unknown function of the component SVG File Handler. The manipulation leads to cross site scripting. This vulnerability is documented as CVE-2023-49279. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Umbraco CMS up to 7.15.10/8.18.8/10.6.x/11.4.x/12.1.x (Content Management System) and classified as problematic. This issue affects some unknown processing of the component SVG File Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

Umbraco is an ASP.NET content management system (CMS). Starting in version 7.0.0 and prior to versions 7.15.11, 8.18.9, 10.7.0, 11.5.0, and 12.2.0, a user with access to the backoffice can upload SVG files that include scripts. If the user can trick another user to load the media directly in a browser, the scripts can be executed. Versions 7.15.11, 8.18.9, 10.7.0, 11.5.0, and 12.2.0 contain a patch for this issue. Some workarounds are available. Implement the server side file validation or serve all media from an different host (e.g cdn) than where Umbraco is hosted.

The weakness was released 12/12/2023 as GHSA-6xmx-85x3-4cv2. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2023-49279 since 11/24/2023. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 7.15.11, 8.18.9, 10.7.0, 11.5.0 or 12.2.0 eliminates this vulnerability.

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Productinfo

Type

• Content Management System

Vendor

• Umbraco

Name

• CMS

Version

• 7.15.0
• 7.15.1
• 7.15.2
• 7.15.3
• 7.15.4
• 7.15.5
• 7.15.6
• 7.15.7
• 7.15.8
• 7.15.9
• 7.15.10
• 8.18.0
• 8.18.1
• 8.18.2
• 8.18.3
• 8.18.4
• 8.18.5
• 8.18.6
• 8.18.7
• 8.18.8
• 10.0
• 10.1
• 10.2
• 10.3
• 10.4
• 10.5
• 10.6
• 11.0
• 11.1
• 11.2
• 11.3
• 11.4
• 12.0
• 12.1

CPE 2.3info

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CPE 2.2info

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Entryinfo

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