What is CVE-2024-38454?

CVE-2024-38454 is a medium-severity vulnerability in Expressionengine, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2024-06-16.

How severe is CVE-2024-38454?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Expressionengine

CVE-2024-38454

ExpressionEngine before 7.4.11 allows XSS.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2024-06-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Expressionengine

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2024-38454?: CVE-2024-38454 is a medium-severity vulnerability in Expressionengine, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2024-06-16.
How severe is CVE-2024-38454?: Medium severity. CVSS v3 base score is 6.1 out of 10.