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TI-2025-33449 Aliases CVE-2025-53504GHSA-5j42-cmx3-349c

Cross-site scripting in Intermesh Group-Office

Priority LOW 21CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Group-Office versions prior to 6.8.119 and prior to 25.0.20 provided by Intermesh BV contain a cross-site scripting vulnerability. If this vulnerability is exploited, an arbitrary script may be executed in the user's web browser.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00188 8th percentileScored 2026-11-07
Fix Fixed Group-Office (Intermesh BV): 6.8.119, 25.0.20

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
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

VendorProductAffected versionsFixed inStatusSource
IntermeshGroup-Officebefore 6.8.1196.8.119Patch availableCNA
IntermeshGroup-Officebefore 25.0.2025.0.20Patch availableCNA
  • Group-Office VendorIntermesh Affected before 6.8.119 Fixed in 6.8.119 Patch available CNA
  • Group-Office VendorIntermesh Affected before 25.0.20 Fixed in 25.0.20 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:group-office:group_office:*:*:*:*:*:*:*:*before 6.8.119; 25.0.1 to before 25.0.20VulnerableGroup-office
  • cpe:2.3:a:group-office:group_office:*:*:*:*:*:*:*:* Versions before 6.8.119; 25.0.1 to before 25.0.20 Vulnerable ·Group-office

Remediation

  • Fix · CNA Group-Office (Intermesh BV) Fixed in 6.8.119
  • Fix · CNA Group-Office (Intermesh BV) Fixed in 25.0.20

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-53504
  2. 2026-10-03 Alias added: GHSA-5j42-cmx3-349c

References

Advisory 1

Other 1

  • TI-2026-20622 Group-Office is vulnerable to RCE due to Command Injection via TNEF Attachment Handler CVSS 4.0CRITICAL 9.4
  • TI-2018-16194 Path traversal in Intermesh Group-Office lets attackers read files CVSS 4.0HIGH 8.7
  • TI-2026-20621 Group-Office is vulnerable to SSRF and File Read in WOPI service discovery CVSS 4.0HIGH 8.2
  • TI-2023-25213 Server-Side Request Forgery in groupoffice CVSS 3.1HIGH 8.8
  • TI-2025-30692 GroupOffice's Blind Stored XSS in Phone Number Field Enables Forced Redirect and Unauthorized Actions CVSS 4.0MEDIUM 6.9
  • TI-2025-18860 Group-Office has a Stored XSS Vulnerability via user's name field CVSS 4.0MEDIUM 6.9
See all 23 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences