PT-2026-23758 · Unknown · Group-Office

Numberoreo1 · Published 2026-03-06 · Updated 2026-03-07 · CVE-2026-30238

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Group-Office versions prior to 6.8.155 Group-Office versions prior to 25.0.88 Group-Office versions prior to 26.0.10

Description Group-Office is a customer relationship management and groupware tool. A reflected cross-site scripting (XSS) issue exists in the external/index flow. The f parameter, which contains Base64 encoded JSON data, is decoded and injected into an inline JavaScript block without proper sanitization. This allows for the injection of <script> tags and the execution of arbitrary JavaScript code in a user's browser. The vulnerable parameter is f.

Recommendations Update Group-Office to version 6.8.155 or later. Update Group-Office to version 25.0.88 or later. Update Group-Office to version 26.0.10 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-30238

GHSA-7P2F-C33M-RV5V

Affected Products

Group-Office

References · 6

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30238.json · Exploit
• https://github.com/Intermesh/groupoffice/security/advisories/GHSA-7p2f-c33m-rv5v · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-30238 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-30238 · Security Note
• https://twitter.com/CVEnew/status/2030385151616647592 · Twitter Post
• https://t.me/CVEtracker/46662 · Telegram Post