Vulnerability · Published Aug 21, 2025 · Assigned by jpcert
CVE-2025-53504
Medium 5.4
In plain English
A medium-severity cross-site scripting in Group-Office from Intermesh BV. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Severity (CVSS 3.0)5.4Medium
Exploit odds (30 days)0.2%top 91.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Intermesh BV | Group-Office | prior to 6.8.119 |
| Intermesh BV | Group-Office | prior to 25.0.20 |
Weakness: CWE-79 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N