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

EPSS: 0.021 (80.1th percentile) — read the EPSS interpretation.

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.

Affected products

  • Jpress — versions 4.2.0
  • N/a — versions n/a

Weakness classification (CWE)

References

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.