Cross-site request forgery in PaperCut NG and PaperCut MF - CVE-2023-2533
Published: August 31, 2023 / Updated: July 28, 2025
Vulnerability identifier: #VU80181
CSH Severity: Medium
CVSS v4: 7.4 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-2533
CWE-ID: CWE-352
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to perform cross-site request forgery attacks.
The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the application administrator to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website, such as alter security settings or execute arbitrary code.
Affected software
PaperCut NG
PaperCut MF
PaperCut MF
How to mitigate CVE-2023-2533
Install update from vendor's website.
PaperCut NG - addressed in versions 20.1.8, 21.2.12, 22.1.1
PaperCut MF - addressed in versions 20.1.8, 21.2.12, 22.1.1
PaperCut MF - addressed in versions 20.1.8, 21.2.12, 22.1.1