WordPress WordPress Core: WordPress WordPress Core Time-of-check Time-of-use (TOCTOU) Race Condition Vulnerability
Info Listed in CISA KEV
Summary
WordPress WordPress Core contains a time-of-check time-of-use (TOCTOU) race condition vulnerability that could allow unauthenticated attackers to execute code on the server during the upgrade window. This is due to predictable, web-accessible staging paths used during full-package core upgrades.
In-depth triage
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- WordPress:WordPress Core
Sources
- CISA KEV DATABASE
- Grok bot vulnerability crawler DATABASE
Original Links
- https://wordpress.org/news/2026/10/wordpress-7-1-4 reference
- https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-core/wordpress-core-470-713-unauthenticated-upgrade-window-staged-installer-remote-code-execution reference
- https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk reference
- https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk reference
- https://nvd.nist.gov/vuln/detail/CVE-2026-119977 reference
Timeline
- kev_ingest CISA KEV
- grok_bot_ingest Grok bot vulnerability crawler