What is CVE-2022-39016?

CVE-2022-39016 is a high-severity vulnerability in M-Files Hubshare, classified under Improper Input Validation. CVSS score: 8.2/10. Published 2022-10-31.

How severe is CVE-2022-39016?

High severity. CVSS v3 base score is 8.2 out of 10.

Is CVE-2022-39016 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in M-Files Hubshare

CVE-2022-39016

Javascript injection in PDFtron in M-Files Hubshare before 3.3.10.9 allows authenticated attackers to perform an account takeover via a crafted PDF upload.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2022-10-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L.

EPSS exploit prediction

EPSS: 0.005 (42.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

M-Files Hubshare — versions 3.3.1.6

Weakness classification (CWE)

Public proof-of-concept exploits

whiteSHADOW1234/PDF_

References

www.themissinglink.com.au/security-advisories/cve-2022-39016 (Third Party Advisory)

Frequently asked questions

What is CVE-2022-39016?: CVE-2022-39016 is a high-severity vulnerability in M-Files Hubshare, classified under Improper Input Validation. CVSS score: 8.2/10. Published 2022-10-31.
How severe is CVE-2022-39016?: High severity. CVSS v3 base score is 8.2 out of 10.
Is CVE-2022-39016 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.