CVE-2026-119977
WordPress Core 4.7.0 - 7.1.3 - Unauthenticated Upgrade-Window Staged-Installer Remote Code Execution
WordPress WordPress Core Time-of-check Time-of-use (TOCTOU) Race Condition Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
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.
CISA notes
https://wordpress.org/news/2026/10/wordpress-7-1-4 ; https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-core/wordpress-core-470-713-unauthenticated-upgrade-window-staged-installer-remote-code-execution ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-119977
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.
Severity
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HKey Findings
as of 2026-11-06- CISA added CVE-2026-119977 to the KEV catalog 3 days after its CVE record was published. The median for entries added in 2026 so far is 14 days.
- It is one of 7 WordPress entries in the CISA KEV catalog, and one of 4 added in 2026.
- Its current EPSS score (1.2%) is higher than that of 3% of CISA KEV entries.
Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| WordPress Foundation | WordPress Foundation WordPress | 4.7.0 to 4.7.38 4.8.0 to 4.8.33 4.9.0 to 4.9.34 5.0.0 to 5.0.30 5.1.0 to 5.1.27 5.2.0 to 5.2.29 5.3.0 to 5.3.26 5.4.0 to 5.4.24 5.5.0 to 5.5.23 5.6.0 to 5.6.22 5.7.0 to 5.7.20 5.8.0 to 5.8.18 5.9.0 to 5.9.19 6.0.0 to 6.0.17 6.1.0 to 6.1.15 6.2.0 to 6.2.14 6.3.0 to 6.3.13 6.4.0 to 6.4.13 6.5.0 to 6.5.13 6.6.0 to 6.6.10 6.7.0 to 6.7.10 6.8.0 to 6.8.11 6.9.0 to 6.9.10 7.0.0 to 7.0.7 7.1.0 to 7.1.3 |
References
8 linksOther references
- https://www.wordfence.com/threat-intel/vulnerabilities/id/4b4da0cf-d9f4-47c4-a0e8-6c4dc5a6f250?source=cve
- https://core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/includes/class-wp-upgrader.php#L378
- https://core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/includes/class-core-upgrader.php#L162
- https://core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/includes/update-core.php#L1549
- https://core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/setup-config.php#L282
- https://core.trac.wordpress.org/browser/tags/7.1.4/src/wp-admin/includes/class-wp-upgrader.php#L346
- https://core.trac.wordpress.org/browser/tags/7.1.4/src/wp-admin/includes/update-core.php#L1545
- https://wordpress.org/news/2026/10/wordpress-7-1-4/
Record Details
- Published
- 2026-10-31
- Last updated
- 2026-11-04
- Assigner (CNA)
- Wordfence
- Credited to
- Umut Bayram
CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). Alert titles and links from CISA cybersecurity alerts. This site is not affiliated with or endorsed by MITRE, NVD, CISA, or FIRST.