CVE-2026-119977: WordPress Core 4.7.0 - 7.1.3 - Unauthenticated Upgrade-Window Staged-Installer Remote Code Execution
In CISA’s Known Exploited Vulnerabilities catalog: WordPress WordPress Core Time-of-check Time-of-use (TOCTOU) Race Condition Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
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.
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H · CWE-367
Tracked companies
Mapped from the CVE’s affected-product data, NVD CPE matches, vendor advisories or package feeds. A mapping means the vendor’s software is named, not that its hosted service was exposed.
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
WordPress Foundation: WordPress
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/includes/class-core-upgrader.php (opens in new tab)
- core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/includes/class-wp-upgrader.php (opens in new tab)
- core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/includes/update-core.php (opens in new tab)
- core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/setup-config.php (opens in new tab)
- core.trac.wordpress.org/browser/tags/7.1.4/src/wp-admin/includes/class-wp-upgrader.php (opens in new tab)
- core.trac.wordpress.org/browser/tags/7.1.4/src/wp-admin/includes/update-core.php (opens in new tab)
- wordpress.org/news/2026/10/wordpress-7-1-4/ (opens in new tab)
- www.wordfence.com/threat-intel/vulnerabilities/id/4b4da0cf-d9f4-47c4-a0e8-6c4dc5a6f250 (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)