What is CVE-2025-48007?

CVE-2025-48007 is a medium-severity vulnerability in Hallowelt Bluespice, classified under Improper Encoding or Escaping of Output. CVSS score: 6.4/10. Published 2025-09-19.

How severe is CVE-2025-48007?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Is CVE-2025-48007 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Hallowelt Bluespice

CVE-2025-48007

Improper Encoding or Escaping of Output vulnerability in Hallo Welt! GmbH BlueSpice (Extension:BlueSpiceAvatars) allows Cross-Site Scripting (XSS). This issue affects BlueSpice: from 5 through 5.1.1.

Published 2025-09-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (8.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Hallowelt Bluespice
Hallo Welt! Gmbh Bluespice — versions 5

Weakness classification (CWE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

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

Frequently asked questions

What is CVE-2025-48007?: CVE-2025-48007 is a medium-severity vulnerability in Hallowelt Bluespice, classified under Improper Encoding or Escaping of Output. CVSS score: 6.4/10. Published 2025-09-19.
How severe is CVE-2025-48007?: Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2025-48007 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.