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TI-2026-04181 Aliases CVE-2026-4794GHSA-m6wx-rxrp-cc9p

Cross-site scripting in PaperCut NG/MF

Priority LOW 10CWE-79Published · 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
None · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Multiple cross-site scripting (XSS) vulnerabilities in PaperCut NG/MF before 25.0.10 allow authenticated administrator users to inject arbitrary web script or HTML code via different UI fields. This could be used to compromise other admininistrator's sessions or perform unauthorized actions via the administrator's authenticated context (e.g. requires an active login session).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00186 8th percentileScored 2026-11-07
Fix Fixed PaperCut NG/MF (PaperCut): 25.0.10

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

VendorProductAffected versionsFixed inStatusSource
PaperCutPaperCut NG/MFbefore 25.0.1025.0.10Patch availableCNA
  • PaperCut NG/MF VendorPaperCut Affected before 25.0.10 Fixed in 25.0.10 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:papercut:papercut_mf:*:*:*:*:*:*:*:*before 25.0.10VulnerablePaperCut
cpe:2.3:a:papercut:papercut_ng:*:*:*:*:*:*:*:*before 25.0.10VulnerablePaperCut
  • cpe:2.3:a:papercut:papercut_mf:*:*:*:*:*:*:*:* Versions before 25.0.10 Vulnerable ·PaperCut
  • cpe:2.3:a:papercut:papercut_ng:*:*:*:*:*:*:*:* Versions before 25.0.10 Vulnerable ·PaperCut

Remediation

  • Fix · CNA PaperCut NG/MF (PaperCut) Fixed in 25.0.10

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-4794
  2. 2026-10-03 Alias added: GHSA-m6wx-rxrp-cc9p

References

Advisory 1

  • TI-2026-56642 PaperCut MF/NG: Unsafe Dynamic Class Loading in Database Connector KEVCVSS 4.0CRITICAL 9.4
  • TI-2023-12085 Improper access control in PaperCut NG KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-02373 PaperCut MF/NG 22.0.10 (Build 65996 2023-03-27) - Remote code execution via CSRF KEVCVSS 3.1HIGH 8.8
  • TI-2026-56284 PaperCut MF/NG: Authentication Bypass KEVCVSS 4.0HIGH 8.8
  • TI-2023-12086 Improper authentication in PaperCut NG KEVCVSS 3.1HIGH 7.5
  • TI-2023-20314 PaperCut NG and PaperCut MF before 22.1.3 on Windows allow path traversal, enabling… CVSS 3.1CRITICAL 9.8
See all 30 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences