Reflected XSS in PaperCut NG/MF

published 2024-03-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-17608

cvss: 6.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 61.5%; EPSS 61.5% chance of exploitation in 30 days, percentile 99.1%
public exploits: 0; none known

This is a reflected cross site scripting vulnerability in the PaperCut NG/MF application server. An attacker can exploit this weakness by crafting a malicious URL that contains a script. When an unsuspecting user clicks on this malicious link, it could potentially lead to limited loss of confidentiality, integrity or availability.

Patch / fix

fixed in 1

PaperCut PaperCut NG, PaperCut MF 20.1.10, 21.2.14, 22.1.5, 23.0.7

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-03-15)

Exploit prediction

61.47% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

PaperCut PaperCut NG, PaperCut MF

Classification

Weakness

CWE-76 Improper Neutralization of Equivalent Special Elements
CWE-79 Improper Neutralization of Input During Web Page Generation

References

papercut.com /kb/Main/Security-Bulletin-March-2024
vendor-advisory

Sources

CVE List CVE-2024-1883
NVD CVE-2024-1883

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary