Arbitrary file upload in Dedecms

CVE-2017-17727

DedeCMS through 5.6 allows arbitrary file upload and PHP code execution by embedding the PHP code in a .jpg file, which is used in the templet parameter to member/article_edit.php.

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-17727: held from 0.015 to 0.015.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-17727?
CVE-2017-17727 is a high-severity vulnerability in Dedecms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2017-12-18.
How severe is CVE-2017-17727?
High severity. CVSS v3 base score is 8.8 out of 10.