CVE-2026-4794: PaperCut MF

Medium severity, CVSS 4.8. EPSS: 0.2% chance of exploitation in the next 30 days.

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).

Affected products

• PaperCut PaperCut MF: before 25.0.10 (fixed in 25.0.10)
• PaperCut PaperCut NG: before 25.0.10 (fixed in 25.0.10)

Published 2026-03-31. Last modified 2026-06-17.