What is CVE-2023-22953?

CVE-2023-22953 is a high-severity vulnerability in Expressionengine. CVSS score: 8.8/10. Published 2023-02-09.

How severe is CVE-2023-22953?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Expressionengine

CVE-2023-22953

In ExpressionEngine before 7.2.6, remote code execution can be achieved by an authenticated Control Panel user.

Published 2023-02-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (72.0th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Expressionengine

References

hackerone.com/reports/1820492 (Permissions Required)
docs.expressionengine.com/latest/installation/changelog.html (Release Notes)
gist.github.com/ahmedsherif/7b8f18a54a80ae0ac5ff6307c35b7d43

Frequently asked questions

What is CVE-2023-22953?: CVE-2023-22953 is a high-severity vulnerability in Expressionengine. CVSS score: 8.8/10. Published 2023-02-09.
How severe is CVE-2023-22953?: High severity. CVSS v3 base score is 8.8 out of 10.