Reflected Cross Site Scripting (XSS) in Intermesh BV Group-Office version 6.6.145, allows…
Priority MEDIUM 60CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
Reflected Cross Site Scripting (XSS) in Intermesh BV Group-Office version 6.6.145, allows attackers to gain escalated privileges and gain sensitive information via the GO_LANGUAGE cookie.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00585 48th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:group-office:group_office:6.6.145:*:*:*:*:*:*:* | 6.6.145 | Vulnerable | Group-office |
- cpe:2.3:a:group-office:group_office:6.6.145:*:*:*:*:*:*:* Versions 6.6.145 Vulnerable ·Group-office
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-25292
- 2026-10-03 Alias added: GHSA-fmr6-95vp-532q
References
More Group-office Group Office vulnerabilities
- TI-2026-20622 Group-Office is vulnerable to RCE due to Command Injection via TNEF Attachment Handler CVSS 4.0CRITICAL 9.4
- TI-2026-20621 Group-Office is vulnerable to SSRF and File Read in WOPI service discovery CVSS 4.0HIGH 8.2
- TI-2025-39300 An issue in Intermesh BV GroupOffice vulnerable before v.25.0.47 and 6.8.136 allows a… CVSS 3.1HIGH 8.8
- TI-2023-25213 Server-Side Request Forgery in groupoffice CVSS 3.1HIGH 8.8
- TI-2025-18860 Group-Office has a Stored XSS Vulnerability via user's name field CVSS 4.0MEDIUM 6.9
- TI-2026-20296 Group-Office Argument Injection in MaintenanceController::actionZipLanguage CVSS 4.0CRITICAL 9.4
Sources
- CVE-2023-25292 · CVE Program
- CVE-2023-25292 · NVD
- FIRST EPSS
- GHSA-fmr6-95vp-532q · GitHub Advisory Database · CC BY 4.0
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