What is CVE-2026-15039?

CVE-2026-15039 is a critical-severity vulnerability in Giftware, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-08-12.

How severe is CVE-2026-15039?

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

Arbitrary file upload in Giftware

CVE-2026-15039

The giftware WordPress plugin before 4.2.10 does not validate the type of uploaded files in one of its upload paths, allowing unauthenticated users to upload arbitrary files, including PHP code, which can lead to remote code execution.

Vulnerability class: Unrestricted File Upload

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Unknown Giftware — versions 0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-15039?: CVE-2026-15039 is a critical-severity vulnerability in Giftware, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-08-12.
How severe is CVE-2026-15039?: Critical severity. CVSS v3 base score is 9.8 out of 10.