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Public proof of conceptFix availableAwaiting NVD analysis

CVE-2026-65640

A public proof of concept exists; no exploitation attested.

  • Published2026-08-17
  • Fixed in7.0.4
  • WeaknessCWE-434

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2026-08-1721:16CVE publishedNVD

Versions per branch

OSV
wordpress
BranchAffectedFixed in
7.0< 7.0.47.0.4
wordpress-multisite
BranchAffectedFixed in
7.0< 7.0.47.0.4

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As hackerone, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • WordPressother versions: not affected
    Affected
    • < 7.0.4fixed in 7.0.4semver

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-08-17

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • wordpressUbuntu:26.10all versions · no fixed version listed
  • wordpressUbuntu:26.04:LTSall versions · no fixed version listed
  • wordpressUbuntu:24.04:LTSall versions · no fixed version listed
  • wordpressUbuntu:22.04:LTSall versions · no fixed version listed
  • wordpressUbuntu:20.04:LTSall versions · no fixed version listed
  • wordpressUbuntu:18.04:LTSall versions · no fixed version listed
  • wordpressUbuntu:16.04:LTSall versions · no fixed version listed
  • wordpressDebian:14all versions · fixed in 7.1+dfsg1-1

3 more package ranges on OSV.dev

Full record on NVD

Fix

  1. Update wordpress to 7.0.4

Detection

read 2026-11-01 01:02 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE recordread 2026-10-23
  • CISA-ADPSSVC decisionnone2026-08-18
  • CNACVSS 3.08.8known since 2026-10-23
  • CNAweakness (CWE)CWE-434known since 2026-10-23
  • FIRST EPSSEPSS score1.9 %2026-11-13
  • PoC-in-GitHubproof of concept1known since 2026-11-01
  • OSVaffected packages—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2026-08-17
Last Modified
2026-09-03
NVD status
Awaiting Analysis

Frequently asked questions

What is 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.

Is CVE-2026-65640 actively exploited?

Active exploitation of CVE-2026-65640 has not been confirmed. Its EPSS score was 1.9% on 2026-11-13, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-65640?

CVE-2026-65640 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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