What is CVE-2021-24154?

CVE-2021-24154 is a medium-severity vulnerability in Themeeditor Theme Editor, classified under Files or Directories Accessible to External Parties. CVSS score: 4.9/10. Published 2021-04-05.

How severe is CVE-2021-24154?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Is CVE-2021-24154 known to be exploited?

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

Vulnerability in Themeeditor Theme Editor

CVE-2021-24154

The Theme Editor WordPress plugin before 2.6 did not validate the GET file parameter before passing it to the download_file() function, allowing administrators to download arbitrary files on the web server, such as /etc/passwd

Published 2021-04-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.011 (63.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Themeeditor Theme Editor
Theme Editor — versions 2.6

Weakness classification (CWE)

CWE-552 — Files or Directories Accessible to External Parties

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpscan.com/vulnerability/566c6836-fc3d-4dd9-b351-c3d9da9ec22e (Third Party Advisory)

Frequently asked questions

What is CVE-2021-24154?: CVE-2021-24154 is a medium-severity vulnerability in Themeeditor Theme Editor, classified under Files or Directories Accessible to External Parties. CVSS score: 4.9/10. Published 2021-04-05.
How severe is CVE-2021-24154?: Medium severity. CVSS v3 base score is 4.9 out of 10.
Is CVE-2021-24154 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.