What is CVE-2021-46116?

CVE-2021-46116 is a high-severity vulnerability in Jpress, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2022-01-26.

How severe is CVE-2021-46116?

High severity. CVSS v3 base score is 7.2 out of 10.

Arbitrary file upload in Jpress

CVE-2021-46116

jpress 4.2.0 is vulnerable to remote code execution via io.jpress.web.admin._TemplateController#doInstall. The admin panel provides a function through which attackers can install templates and inject some malicious code.

Vulnerability class: Unrestricted File Upload

Published 2022-01-26 · last modified 2026-07-09.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.022 (81.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000

Affected products

Jpress — versions 4.2.0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

af854a3a-2127-422b-91ae-364da2661108 (Product)
github.com/JPressProjects/jpress (Product)
github.com/JPressProjects/jpress/issues/168 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-46116?: CVE-2021-46116 is a high-severity vulnerability in Jpress, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2022-01-26.
How severe is CVE-2021-46116?: High severity. CVSS v3 base score is 7.2 out of 10.