CVE-2025-48007Network attack vector

Authenticated JavaScript execution in other users' browsers

Published Sep 19, 2025 · Updated Sep 19, 2025

Cross-site scripting in BlueSpiceAvatars in BlueSpice 5 through 5.1.1 allows remote authenticated users to run JavaScript in other users' browsers. Hallo Welt! GmbH has not published the affected request, field, or output operation within the extension. A logged-in account is required, and successful exploitation can expose session data or hijack another user's session without interrupting the service.

CVSS severity5.9
Medium
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in BlueSpiceAvatars in BlueSpice 5 through 5.1.1 allows remote authenticated users to run JavaScript in other users' browsers. Hallo Welt! GmbH has not published the affected request, field, or output operation within the extension. A logged-in account is required, and successful exploitation can expose session data or hijack another user's session without interrupting the service.

The record

CVE
CVE-2025-48007
Published
Sep 19, 2025
Updated
Sep 19, 2025
Vendor
Hallo Welt! GmbH
Product
BlueSpice
Classifications
CWE-116, CWE-79, CAPEC-63, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 19, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 19, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=5 <=5.1.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Hallo Welt! GmbH · BlueSpiceversion=5 <=5.1.1

Published CVSS scores

6.4NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
5.9Hallo Welt! GmbHCVSS: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 describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-116Improper Encoding or Escaping of Output
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-63Cross-Site Scripting (XSS)
T1059.007Command and Scripting Interpreter: JavaScript

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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