Arbitrary file upload in WordPress

CVE-2026-65640

WordPress is vulnerable to a remote code execution vulnerability via malicious Postscript file upload by an Author level user or higher. Prerequisites: * Imagick and Ghostscript in use on the server * A malicious user with the `upload_files` capability This issue affects all versions of WordPress. Version 7.0.4 has been released, containing a fix for the vulnerability, and as a courtesy to users on older branches the fix has been backported to all branches back to 4.7.

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:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.019 (79.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.4% 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-2026-65640: held from 0.019 to 0.019.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: -0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-65640?
CVE-2026-65640 is a high-severity vulnerability in WordPress, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-08-17.
How severe is CVE-2026-65640?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2026-65640 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.