CVE-2025-57880

5.9 mediumEPSS 0.2%

Medium (5.9) in hallowelt bluespice. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

5.9 medium

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

CVSS 3.1

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 7% of CVEs (scores of 2026-10-31)
CWEs: CWE-79, CWE-116
Published: 2025-09-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

hallowelt:bluespice

References

https://en.wiki.bluespice.com/wiki/Security:Security_Advisories/BSSA-2025-05

Check your stack JSON