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CVE DATABASE  /  CVE-2023-2533

CVE-2023-2533

PaperCut NG/MF Cross-Site Request Forgery (CSRF) Vulnerability

CVSS 8.4 · HIGH ⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog

Confirmed exploited in the wild. Added 2025-07-28. Federal remediation due 2025-08-18.
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Summary

A Cross-Site Request Forgery (CSRF) vulnerability has been identified in PaperCut NG/MF, which, under specific conditions, could potentially enable an attacker to alter security settings or execute arbitrary code. This could be exploited if the target is an admin with a current login session. Exploiting this would typically involve the possibility of deceiving an admin into clicking a specially crafted malicious link, potentially leading to unauthorized changes.

CVSS 3.1 breakdown

Base score8.4 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
Attack vectorNETWORK
Attack complexityLOW
Privileges requiredHIGH
User interactionREQUIRED
ScopeCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH

Weakness type (CWE)

Affected products

Papercut papercut mfPapercut papercut ng
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References

Data: NIST NVD + CISA KEV. NVD last modified 2026-02-26. Always verify against the vendor advisory before acting.

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