What is CVE-2021-47819?

CVE-2021-47819 is a critical-severity vulnerability in Projeqtor Project Management, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-01-15.

How severe is CVE-2021-47819?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in Projeqtor Project Management

CVE-2021-47819

ProjeQtOr Project Management 9.1.4 contains a file upload vulnerability that allows guest users to upload malicious PHP files with arbitrary code execution capabilities. Attackers can upload a PHP script through the profile attachment sect…

Vulnerability class: Unrestricted File Upload

EPSS: 0.004 (29.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Projeqtor Project Management — versions 9.1.4

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)

Frequently asked questions

What is CVE-2021-47819?: CVE-2021-47819 is a critical-severity vulnerability in Projeqtor Project Management, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-01-15.
How severe is CVE-2021-47819?: Critical severity. CVSS v3 base score is 9.8 out of 10.