CVE-2025-57880

MEDIUM 5.4CVE-2025-57880 · Published 19/09/2025 · updated 17/06/2026

In short

CVE-2025-57880 is a MEDIUM (CVSS 5.4) vulnerability affecting bluespice (hallowelt).
Chance of exploitation in the next 30 days (EPSS): 0.18%, higher than 7.8% of all vulnerabilities.
Fix: update to 5.1.2 or later.

Package	Affected versions	Patched versions
bluespice hallowelt	`≥ 5.0, < 5.1.2`	`5.1.2`

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.

References

en.wiki.bluespice.com/wiki/Security:Security_Advisories/BSSA-2025-05 · Vendor Advisory

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Package

Affected versions

Patched versions

bluespice

hallowelt

≥ 5.0, < 5.1.2

5.1.2

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