No exploitation reportedFix available

CVE-2019-8948

Q: Is CVE-2019-8948 actively exploited?

Active exploitation of CVE-2019-8948 has not been confirmed. Its EPSS score was 3.9% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2019-8948?

CVE-2019-8948 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2019-02-20
Fixed in18.3.6
WeaknessCWE-74

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

PaperCut MF before 18.3.6 and PaperCut NG before 18.3.6 allow script injection via the user interface, aka PC-15163.

Timeline

dates in UTC

2019-02-2004:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-8948?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-8948?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Papercut papercut mf

Branch	Affected	Fixed in	Source
18.3	< 18.3.6	18.3.6	NVD

Papercut papercut ng

Branch	Affected	Fixed in	Source
18.3	< 18.3.6	18.3.6	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Papercut papercut mf to 18.3.6

Advisories and patches

www.papercut.comRelease Notes · Vendor Advisory
www.papercut.comRelease Notes · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.09.8read 2026-10-23
NVDCVSS 2.07.5read 2026-10-23
NVDweakness (CWE)CWE-74read 2026-10-23
FIRST EPSSEPSS score3.9 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2019-02-20
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2019-8948?

PaperCut MF before 18.3.6 and PaperCut NG before 18.3.6 allow script injection via the user interface, aka PC-15163.

Is CVE-2019-8948 actively exploited?

Active exploitation of CVE-2019-8948 has not been confirmed. Its EPSS score was 3.9% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-8948?

CVE-2019-8948 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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