What is CVE-2024-33401?

CVE-2024-33401 is a medium-severity vulnerability in Dedecms, classified under Cross-site Scripting. CVSS score: 4.4/10. Published 2024-04-29.

How severe is CVE-2024-33401?

Medium severity. CVSS v3 base score is 4.4 out of 10.

XSS in Dedecms

CVE-2024-33401

Cross Site Scripting vulnerability in DedeCMS v.5.7.113 allows a remote attacker to run arbitrary code via the mnum parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2024-04-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (14.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Dedecms — versions 5.7.113

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

gitee.com/zchuanwen/cve123/issues/I9I18D (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2024-33401?: CVE-2024-33401 is a medium-severity vulnerability in Dedecms, classified under Cross-site Scripting. CVSS score: 4.4/10. Published 2024-04-29.
How severe is CVE-2024-33401?: Medium severity. CVSS v3 base score is 4.4 out of 10.