Risk Letters

Exploited vulnerability

CVE-2026-119977

TLP:CLEAR

WordPress wordpress Time-of-check Time-of-use (TOCTOU) Race Condition

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.

Facts

  • Vendor: WordPress
  • Product: WordPress Core
  • CVSS: 8.1
  • EPSS (probability of exploitation within 30 days): 0.6 %
  • First known exploitation: 30 October 2026
  • First seen by Risk Letters: 1 November 2026

Members see which Nordic sectors the flaw hits, and what to do about it.

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD