What is CVE-2018-16784?

CVE-2018-16784 is a high-severity vulnerability in Dedecms, classified under XML Injection (Blind XPath Injection). CVSS score: 7.2/10. Published 2018-09-21.

How severe is CVE-2018-16784?

High severity. CVSS v3 base score is 7.2 out of 10.

XPath Injection in Dedecms

CVE-2018-16784

DedeCMS 5.7 SP2 allows XML injection, and resultant remote code execution, via a "<file type='file' name='../" substring.

Published 2018-09-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.023 (82.9th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Dedecms — versions 5.7

Weakness classification (CWE)

CWE-91 — XML Injection (Blind XPath Injection)

References

github.com/ky-j/dedecms/issues/3 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-16784?: CVE-2018-16784 is a high-severity vulnerability in Dedecms, classified under XML Injection (Blind XPath Injection). CVSS score: 7.2/10. Published 2018-09-21.
How severe is CVE-2018-16784?: High severity. CVSS v3 base score is 7.2 out of 10.