WordPress is vulnerable to a remote code execution vulnerability via malicious Postscript file upload by an Author level user or higher. (CVE-2026-65640)
WordPress versions prior to 7.0.4 are vulnerable to a remote code execution vulnerability via malicious Postscript file uploads by users with Author level or higher privileges. The vulnerability requires the server to have Imagick and Ghostscript installed and a user with the 'upload_files' capability. WordPress 7.0.4 and all maintained older branches back to 4.7 include a fix for this issue.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-65640) in WordPress allows remote code execution through the upload of malicious Postscript files by users with Author level or higher privileges, given that the server uses Imagick and Ghostscript. The flaw affects all WordPress versions prior to 7.0.4. The vulnerability is mitigated by the fix introduced in WordPress 7.0.4 and backported to all supported branches back to version 4.7.
Potential Impact
An attacker with Author level or higher privileges and the ability to upload files can execute arbitrary code remotely on the affected WordPress server if Imagick and Ghostscript are in use. This can lead to full compromise of the server environment hosting WordPress.
Mitigation Recommendations
Apply the official WordPress update to version 7.0.4 or later. The fix has also been backported to all supported branches back to 4.7. No other mitigation is required as the vulnerability is addressed by these updates.
WordPress is vulnerable to a remote code execution vulnerability via malicious Postscript file upload by an Author level user or higher. (CVE-2026-65640)
Description
WordPress versions prior to 7.0.4 are vulnerable to a remote code execution vulnerability via malicious Postscript file uploads by users with Author level or higher privileges. The vulnerability requires the server to have Imagick and Ghostscript installed and a user with the 'upload_files' capability. WordPress 7.0.4 and all maintained older branches back to 4.7 include a fix for this issue.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-65640) in WordPress allows remote code execution through the upload of malicious Postscript files by users with Author level or higher privileges, given that the server uses Imagick and Ghostscript. The flaw affects all WordPress versions prior to 7.0.4. The vulnerability is mitigated by the fix introduced in WordPress 7.0.4 and backported to all supported branches back to version 4.7.
Potential Impact
An attacker with Author level or higher privileges and the ability to upload files can execute arbitrary code remotely on the affected WordPress server if Imagick and Ghostscript are in use. This can lead to full compromise of the server environment hosting WordPress.
Mitigation Recommendations
Apply the official WordPress update to version 7.0.4 or later. The fix has also been backported to all supported branches back to 4.7. No other mitigation is required as the vulnerability is addressed by these updates.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- BIT-wordpress-2026-65640
- Osv Schema Version
- 1.6.2
- Aliases
- ["CVE-2026-65640"]
- Ecosystems
- ["Bitnami"]
- Database Specific Severity
- High
- Cvss Version
- null
Threat ID: 6a885f27acd9273b493f8193
Added to database: 08/21/2026, 14:22:31 UTC
Last enriched: 08/21/2026, 14:37:05 UTC
Last updated: 08/21/2026, 22:52:14 UTC
Views: 5
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