What is CVE-2026-39755?

CVE-2026-39755 is a critical-severity vulnerability in Revmakx Wp Duplicate, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.9/10. Published 2026-10-06.

How severe is CVE-2026-39755?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Arbitrary file upload in Revmakx Wp Duplicate

CVE-2026-39755

Subscriber Arbitrary File Upload in WP Duplicate <= 1.1.11 versions.

Vulnerability class: Unrestricted File Upload

Published 2026-10-06 · last modified 2026-10-06.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (36.7th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Revmakx Wp Duplicate

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

patchstack.com/database/wordpress/plugin/local-sync/vulnerability/wordpress-wp-… (vdb-entry)

Frequently asked questions

What is CVE-2026-39755?: CVE-2026-39755 is a critical-severity vulnerability in Revmakx Wp Duplicate, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.9/10. Published 2026-10-06.
How severe is CVE-2026-39755?: Critical severity. CVSS v3 base score is 9.9 out of 10.