Vulnerability · Published Sep 19, 2025 · Assigned by HW
CVE-2025-57880Potential XSS in Extension:BlueSpiceWhoIsOnline
Medium 5.9
In plain English
A medium-severity security flaw in BlueSpice from Hallo Welt! GmbH. 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 4.0)5.9Medium
Exploit odds (30 days)0.2%top 92.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper Encoding or Escaping of Output vulnerability in Hallo Welt! GmbH BlueSpice (Extension:BlueSpiceWhoIsOnline) allows Cross-Site Scripting (XSS). This issue affects BlueSpice: from 5 through 5.1.1.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Hallo Welt! GmbH | BlueSpice | 5 – through 5.1.1 |
Weakness: CWE-116 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N