CVE-2025-48366

GroupOffice's Blind Stored XSS in Phone Number Field Enables Forced Redirect and Unauthorized Actions

MEDIUM
5.4
CVSS Score
Published: May 22, 2025 at 05:28 PM UTC
Updated: June 17, 2026 at 09:29 AM UTC
1 product affected across 1 vendorGroup-Office

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

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.

Affected

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

v < 25.0.20v < 6.8.119v < 6.8.19925.0.1 ≤ v < 25.0.20
Affected range stops below 25.0.20, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.8.119, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.8.199, 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:

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79CWE-87

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