What is CVE-2018-12914?

CVE-2018-12914 is a critical-severity vulnerability in Publiccms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2018-06-27.

How severe is CVE-2018-12914?

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

Arbitrary file upload in Publiccms

CVE-2018-12914

A remote code execution issue was discovered in PublicCMS V4.0.20180210. An attacker can upload a ZIP archive that contains a .jsp file with a directory traversal pathname. After an unzip operation, the attacker can execute arbitrary code by visiting a .jsp URI.

Vulnerability class: Unrestricted File Upload

Published 2018-06-27 · 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: 0.039 (89.9th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.039 · newest: 0.039 · change: 0.000

Affected products

Publiccms — versions 4.0.20180210

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

github.com/sanluan/PublicCMS/issues/13 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-12914?: CVE-2018-12914 is a critical-severity vulnerability in Publiccms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2018-06-27.
How severe is CVE-2018-12914?: Critical severity. CVSS v3 base score is 9.8 out of 10.