Intermesh groupoffice up to 6.8.118/25.0.19 User Profile Phone Number cross site scripting

Summaryinfo

A vulnerability was found in Intermesh groupoffice up to 6.8.118/25.0.19 and classified as problematic. This affects an unknown part of the component User Profile Handler. Executing a manipulation of the argument Phone Number can lead to cross site scripting. This vulnerability appears as CVE-2025-48366. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Intermesh groupoffice up to 6.8.118/25.0.19. It has been declared as problematic. This vulnerability affects an unknown code of the component User Profile Handler. The manipulation of the argument Phone Number with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

Group-Office is an enterprise customer relationship management and groupware tool. Prior to versions 6.8.119 and 25.0.20, a stored and blind XSS vulnerability exists in the Phone Number field of the user profile within the GroupOffice application. This allows a malicious actor to inject persistent JavaScript payloads, which are triggered in the context of another user when they view the Address Book. Successful exploitation enables actions such as forced redirects, unauthorized fetch requests, or other arbitrary JavaScript execution without user interaction. Versions 6.8.119 and 25.0.20 contain a fix for the issue.

The advisory is shared for download at github.com. This vulnerability was named CVE-2025-48366 since 05/19/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 6.8.119 or 25.0.20 eliminates this vulnerability.

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Productinfo

Vendor

• Intermesh

Name

• groupoffice

Version

• 6.8.118
• 25.0.0
• 25.0.1
• 25.0.2
• 25.0.3
• 25.0.4
• 25.0.5
• 25.0.6
• 25.0.7
• 25.0.8
• 25.0.9
• 25.0.10
• 25.0.11
• 25.0.12
• 25.0.13
• 25.0.14
• 25.0.15
• 25.0.16
• 25.0.17
• 25.0.18
• 25.0.19

Website

• Product: https://github.com/Intermesh/groupoffice/

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