Potential XSS in Extension:AtMentions
Priority LOW 26CWE-116Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Improper Encoding or Escaping of Output vulnerability in Hallo Welt! GmbH BlueSpice (Extension:AtMentions) allows Cross-Site Scripting (XSS). This issue affects BlueSpice: from 5 through 5.1.1.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00197 9th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Hallo Welt! GmbH | BlueSpice | 5 – 5.1.1 | — | No fix listed | CNA |
- BlueSpice VendorHallo Welt! GmbH Affected 5 – 5.1.1 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hallowelt:bluespice:*:*:*:*:*:*:*:* | 5.0 to before 5.1.2 | Vulnerable | Hallo Welt! GmbH |
- cpe:2.3:a:hallowelt:bluespice:*:*:*:*:*:*:*:* Versions 5.0 to before 5.1.2 Vulnerable ·Hallo Welt! GmbH
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-46703
- 2026-10-03 Alias added: GHSA-32cw-qm55-8qj6
References
More Hallo Welt! GmbH Bluespice vulnerabilities
- TI-2022-02320 Potential XSS in title URL parameter CVSS 3.1MEDIUM 6.1
- TI-2022-02319 Potential XSS on Special:SearchCenter CVSS 3.1MEDIUM 6.1
- TI-2022-03572 Potential XSS in common user interface component library CVSS 3.1MEDIUM 6.1
- TI-2025-35941 Potential XSS in Extension:CognitiveProcessDesigner CVSS 4.0MEDIUM 5.9
- TI-2025-35734 Potential XSS in Extension:BlueSpiceWhoIsOnline CVSS 4.0MEDIUM 5.9
- TI-2025-30391 Potential XSS in Extension:BlueSpiceAvatars CVSS 4.0MEDIUM 5.9
Sources
- CVE-2025-46703 · CVE Program
- CVE-2025-46703 · NVD
- FIRST EPSS
- GHSA-32cw-qm55-8qj6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences