November 14, 2026

CVE Watchtower

CVE-2026-125389Intermesh Group-Office Cross-site Scripting (XSS)

NVD

Vulnerability Summary

Intermesh Group-Office before 6.8.181, 25.0.116, and 26.0.58 contains a stored cross-site scripting vulnerability in the email viewer due to a flawed regex in StringHelper::filterXSS. Remote attackers can send emails containing tags like svg/onload, which MessagePanel.js renders raw, executing script in the recipient's session when opened.
Severity Level
MEDIUM(5.3)
Published Date
Nov 9, 2026
Last Modified
Nov 9, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.29%Probability
Root Weakness (CWE)
CWE-79: Cross-site Scripting (XSS) ↗
The software does not neutralize user-controllable input before it is placed in output that is used as a web page.
CVSS v4.0 Base Metrics — Score 5.3 (MEDIUM)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Attack VectorNetwork
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredNone
User InteractionPassive
Confidentiality (Vulnerable System)Low
Integrity (Vulnerable System)Low
Availability (Vulnerable System)None
Confidentiality (Subsequent System)Low
Integrity (Subsequent System)Low
Availability (Subsequent System)None
Show CVSS v3.x metrics (score 6.1)
CVSS v3.1 Base Metrics — Score 6.1 (MEDIUM)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

Affected & Patched Versions

Affected Versions
  • Intermesh Group-Office < 6.8.181
  • Intermesh Group-Office >= 25.0.0 and < 25.0.116
  • Intermesh Group-Office >= 26.0.0 and < 26.0.58
Patched Versions
  • Intermesh Group-Office 6.8.181
  • Intermesh Group-Office 25.0.116
  • Intermesh Group-Office 26.0.58

What to do

Fix it during your normal patch cycle. No exploitation is confirmed yet.

  1. Check whether you run Intermesh Group-Office and which version.
  2. Update to a patched version listed above, then confirm the new version.

Timeline

  • Nov 9, 2026Published
  • Nov 9, 2026Record last modified

Score, severity and exploitation changes are tracked from the day Watchtower started logging them.

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External References

Data last checked: Nov 14, 2026 00:39 UTC