CVE-2024-22418: Stored Cross-site Scripting Vulnerability via Malicious File Names in GroupOffice

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-01-18 · updated 2026-06-17
Weakness: CWE-79

Description

Group-Office is an enterprise CRM and groupware tool. Affected versions are subject to a vulnerability which is present in the file upload mechanism of Group Office. It allows an attacker to execute arbitrary JavaScript code by embedding it within a file's name. For instance, using a filename such as “><img src=x onerror=prompt('XSS')>.jpg” triggers the vulnerability. When this file is uploaded, the JavaScript code within the filename is executed. This issue has been addressed in version 6.8.29. All users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected products

Intermesh groupoffice: before 6.8.29 — fixed in 6.8.29

How to fix

Upgrade to a fixed version: Intermesh groupoffice 6.8.29. Check the vendor advisory for mitigations.

References

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