CVE-2025-57880
19.09.2025, 14:15
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.
| Vendor | Product | Version |
|---|---|---|
| hallowelt | bluespice | 5.0 ≤ 𝑥 < 5.1.2 |
𝑥
= Vulnerable software versions
Common Weakness Enumeration
- CWE-116 - Improper Encoding or Escaping of OutputThe software prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.