Vulnerability Intelligence Report
WordPress Core 4.7.0 - 7.1.3 - Unauthenticated Upgrade-Window Staged-Installer Remote Code Execution
CVE-2026-119977
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.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
8.1
HIGH
Exploitability:2.3
Impact Score:5.9
EPSS Probability:0.60%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-367 ↗CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| WordPress Foundation | WordPress | 4.7.0 <= 4.7.38 (affected), 4.8.0 <= 4.8.33 (affected), 4.9.0 <= 4.9.34 (affected), 5.0.0 <= 5.0.30 (affected), 5.1.0 <= 5.1.27 (affected), 5.2.0 <= 5.2.29 (affected), 5.3.0 <= 5.3.26 (affected), 5.4.0 <= 5.4.24 (affected), 5.5.0 <= 5.5.23 (affected), 5.6.0 <= 5.6.22 (affected), 5.7.0 <= 5.7.20 (affected), 5.8.0 <= 5.8.18 (affected), 5.9.0 <= 5.9.19 (affected), 6.0.0 <= 6.0.17 (affected), 6.1.0 <= 6.1.15 (affected), 6.2.0 <= 6.2.14 (affected), 6.3.0 <= 6.3.13 (affected), 6.4.0 <= 6.4.13 (affected), 6.5.0 <= 6.5.13 (affected), 6.6.0 <= 6.6.10 (affected), 6.7.0 <= 6.7.10 (affected), 6.8.0 <= 6.8.11 (affected), 6.9.0 <= 6.9.10 (affected), 7.0.0 <= 7.0.7 (affected), 7.1.0 <= 7.1.3 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Wordfence · Vendor · USA |
| Reserved | 2026-10-30T17:17:35 |
| Published | 2026-10-31T05:33:07 |
| Last Updated | 2026-11-03T20:58:23 |
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