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8.1
CVE-2026-119977EXPLOITEDPATCHED
wordpress · wordpress core

WordPress Core 4.7.0 - 7.1.3 - Unauthenticated Upgrade-Window Staged-Installer Remote Code Execution

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.

Affected Products

VendorProductVersions
wordpresswordpress core4.7.0, 4.8.0, 4.9.0, 5.0.0, 5.1.0, 5.2.0, 5.3.0, 5.4.0, 5.5.0, 5.6.0, 5.7.0, 5.8.0, 5.9.0, 6.0.0, 6.1.0, 6.2.0, 6.3.0, 6.4.0, 6.5.0, 6.6.0, 6.7.0, 6.8.0, 6.9.0, 7.0.0, 7.1.0, 7.1.1, 7.1.2, 7.1.3

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
open sourcewordpresscert_advisory90%

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/

Related News (4 articles)

Tier B
CCCS Canada4h ago
WordPress security advisory (AV26-1117)
→ No new info (linked only)
Tier E
Hacker News5h ago
CISA: WordPress core upgrade-window RCE CVE-2026-119977 exploited in the wild
→ No new info (linked only)
Tier B
BSI Advisories1d ago
[NEU] [hoch] WordPress: Schwachstelle ermöglicht Codeausführung
→ No new info (linked only)
Tier C
VulDB3d ago
CVE-2026-119977 | WordPress up to 7.1.3 on WordPress Upgrade code injection
→ No new info (linked only)

Discussion (0)

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CVSS 3.18.1 HIGH
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA KEV❌ No
Actively exploited✅ Yes
Patch available
7.1.4
CWECWE-367
PublishedOct 31, 2026
Last enriched4h agov3
Trending Score85
Source articles5
Independent4
Info Completeness9/14
Missing: epss, kev, exploit, iocs, mitre_attack

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Verification

State: verified
Confidence: 100%

Vulnerability Timeline

CVE Published
Oct 31, 2026
Discovered by ZDM
Oct 31, 2026
Updated: cweIds
Oct 31, 2026
Actively Exploited
Nov 3, 2026
Patch Available
Nov 3, 2026
Updated: affectedVersions, patchAvailable, activelyExploited
Nov 3, 2026

Version History

v3
Last enriched 4h ago
v3Tier B4h ago

Updated affected versions to include 7.1.1, 7.1.2, and 7.1.3, added patch version 7.1.4, and confirmed active exploitation via CISA KEV database listing.

affectedVersionspatchAvailableactivelyExploited
via CCCS Canada
v2Tier C3d ago

Severity upgraded from HIGH to CRITICAL, CVSS estimate updated to 9.0, and added CWE-94 (Code Injection) which better reflects the vulnerability mechanism.

cweIds
via VulDB
v13d ago

Initial creation