What is CVE-2018-5203?

CVE-2018-5203 is a critical-severity vulnerability in Devpia Dextuploadx5, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2018-12-28.

How severe is CVE-2018-5203?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Improper input validation in Devpia Dextuploadx5

CVE-2018-5203

DEXTUploadX5 version Between 1.0.0.0 and 2.2.0.0 contains a vulnerability that could allow remote attacker to download and execute remote arbitrary file by setting the arguments to the activex method. this can be leveraged for code execution.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2018-12-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.023 (83.0th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.0% 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

Devpia Dextuploadx5 — versions DEXTUploadX5 Between 1.0.0.0 and 2.2.0.0
Dextsolution Dextuploadx5

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.boho.or.kr/krcert/secNoticeView.do (Third Party Advisory)

Frequently asked questions

What is CVE-2018-5203?: CVE-2018-5203 is a critical-severity vulnerability in Devpia Dextuploadx5, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2018-12-28.
How severe is CVE-2018-5203?: Critical severity. CVSS v3 base score is 9.8 out of 10.