Name: CVE-2026-4794: Improper Neutralization of Input During Web Page Generation
Creator: Rapid7
Published: 2026-03-31T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-4794, CVSS 4.8, EPSS 0.0003

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).

CVSS Details

CVSS 4.0 Base Score: 2.1 (LOW)
CVSS 4.0 Vector: (CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)
CVSS 3.1 Base Score: 4.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Papercut Mf	—	Upgrade PaperCut MF to the latest version	Apr 1, 2026	Mar 31, 2026
Papercut Ng	—	Upgrade PaperCut NG to the latest version	Apr 1, 2026	Mar 31, 2026

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CVSS Details

Covered by Rapid7

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