CVE-2026-119977WordPress Vulnerability
WordPress Core 4.7.0 - 7.1.3 - Unauthenticated Upgrade-Window Staged-Installer Remote Code Execution
Published Oct 31, 2026 · Updated Oct 31, 2026 · Also known as EUVD-2026-114575, GHSA-p6jj-qrp3-7m4g
Key Facts
Patch immediately- CVE-2026-119977 is a high-severity vulnerability (CVSS 8.1 v3.1) affecting WordPress.
- It is exploited in the wild, listed in Industry KEV feed since Oct 30, 2026. No public exploit code is known.
- EPSS estimates a 0.6% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v3.1
8.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
0.6%
Higher than 48.7% of all scored CVEs
Exploit maturity
Exploited (KEV)
ATLAS score
49/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Oct 30, 2026
-1 days after publication
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Exploited (KEV)
Public exploit code
0
Proof-of-concept links
In-the-wild evidence
1
Reports of active use
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Oct 30, 2026 | n/a | Not reported |
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| WordPress | >= 4.7.0 | n/a |
Timeline
Added to Industry KEV feed
Oct 30, 2026
Publicly disclosed
Oct 31, 2026
Weakness Type
- CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
References
- exploitVulnCheck exploitation report
- othercore.trac.wordpress.org · class-core-upgrader.php
- othercore.trac.wordpress.org · class-wp-upgrader.php
- othercore.trac.wordpress.org · update-core.php
- othercore.trac.wordpress.org · setup-config.php
FAQ
Common Questions.
WordPress Core is vulnerable to Remote Code Execution in versions 4.7 through 7.1.3.
Affected: WordPress versions >= 4.7.0. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Oct 30, 2026.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2026-119977 On Your Attack Surface?
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