WordPress Core is vulnerable to Remote Code Execution in versions 4.7 through 7.1.3. This is due to predictable, web-accessible staging paths used during full-package core upgrades. This makes it possible for unauthenticated attackers to execute code on the server during the upgrade window.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/includes/class-core-upgrader.php#L162 cve-icon cve-icon
https://core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/includes/class-wp-upgrader.php#L378 cve-icon cve-icon
https://core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/includes/update-core.php#L1549 cve-icon cve-icon
https://core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/setup-config.php#L282 cve-icon cve-icon
https://core.trac.wordpress.org/browser/tags/7.1.4/src/wp-admin/includes/class-wp-upgrader.php#L346 cve-icon cve-icon
https://core.trac.wordpress.org/browser/tags/7.1.4/src/wp-admin/includes/update-core.php#L1545 cve-icon cve-icon
https://wordpress.org/news/2026/10/wordpress-7-1-4/ cve-icon cve-icon
https://www.wordfence.com/threat-intel/vulnerabilities/id/4b4da0cf-d9f4-47c4-a0e8-6c4dc5a6f250?source=cve cve-icon cve-icon
History

Sat, 31 Oct 2026 05:45:00 +0000

Type Values Removed Values Added
Description WordPress Core is vulnerable to Remote Code Execution in versions 4.7 through 7.1.3. This is due to predictable, web-accessible staging paths used during full-package core upgrades. This makes it possible for unauthenticated attackers to execute code on the server during the upgrade window.
Title WordPress Core 4.7.0 - 7.1.3 - Unauthenticated Upgrade-Window Staged-Installer Remote Code Execution
Weaknesses CWE-367
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-10-31T05:33:07.059Z

Reserved: 2026-10-30T17:17:35.145Z

Link: CVE-2026-119977

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-31T06:16:34.550

Modified: 2026-10-31T06:16:34.550

Link: CVE-2026-119977

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-31T06:30:15Z

Weaknesses