{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-119977","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","state":"PUBLISHED","assignerShortName":"Wordfence","dateReserved":"2026-10-30T17:17:35.145Z","datePublished":"2026-10-31T05:33:07.059Z","dateUpdated":"2026-11-04T04:56:31.158Z"},"containers":{"cna":{"providerMetadata":{"orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","shortName":"Wordfence","dateUpdated":"2026-10-31T05:33:07.059Z"},"affected":[{"vendor":"WordPress Foundation","product":"WordPress","versions":[{"version":"4.7.0","status":"affected","lessThanOrEqual":"4.7.38","versionType":"semver"},{"version":"4.8.0","status":"affected","lessThanOrEqual":"4.8.33","versionType":"semver"},{"version":"4.9.0","status":"affected","lessThanOrEqual":"4.9.34","versionType":"semver"},{"version":"5.0.0","status":"affected","lessThanOrEqual":"5.0.30","versionType":"semver"},{"version":"5.1.0","status":"affected","lessThanOrEqual":"5.1.27","versionType":"semver"},{"version":"5.2.0","status":"affected","lessThanOrEqual":"5.2.29","versionType":"semver"},{"version":"5.3.0","status":"affected","lessThanOrEqual":"5.3.26","versionType":"semver"},{"version":"5.4.0","status":"affected","lessThanOrEqual":"5.4.24","versionType":"semver"},{"version":"5.5.0","status":"affected","lessThanOrEqual":"5.5.23","versionType":"semver"},{"version":"5.6.0","status":"affected","lessThanOrEqual":"5.6.22","versionType":"semver"},{"version":"5.7.0","status":"affected","lessThanOrEqual":"5.7.20","versionType":"semver"},{"version":"5.8.0","status":"affected","lessThanOrEqual":"5.8.18","versionType":"semver"},{"version":"5.9.0","status":"affected","lessThanOrEqual":"5.9.19","versionType":"semver"},{"version":"6.0.0","status":"affected","lessThanOrEqual":"6.0.17","versionType":"semver"},{"version":"6.1.0","status":"affected","lessThanOrEqual":"6.1.15","versionType":"semver"},{"version":"6.2.0","status":"affected","lessThanOrEqual":"6.2.14","versionType":"semver"},{"version":"6.3.0","status":"affected","lessThanOrEqual":"6.3.13","versionType":"semver"},{"version":"6.4.0","status":"affected","lessThanOrEqual":"6.4.13","versionType":"semver"},{"version":"6.5.0","status":"affected","lessThanOrEqual":"6.5.13","versionType":"semver"},{"version":"6.6.0","status":"affected","lessThanOrEqual":"6.6.10","versionType":"semver"},{"version":"6.7.0","status":"affected","lessThanOrEqual":"6.7.10","versionType":"semver"},{"version":"6.8.0","status":"affected","lessThanOrEqual":"6.8.11","versionType":"semver"},{"version":"6.9.0","status":"affected","lessThanOrEqual":"6.9.10","versionType":"semver"},{"version":"7.0.0","status":"affected","lessThanOrEqual":"7.0.7","versionType":"semver"},{"version":"7.1.0","status":"affected","lessThanOrEqual":"7.1.3","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"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."}],"title":"WordPress Core 4.7.0 - 7.1.3 - Unauthenticated Upgrade-Window Staged-Installer Remote Code Execution","references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/4b4da0cf-d9f4-47c4-a0e8-6c4dc5a6f250?source=cve"},{"url":"https://core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/includes/class-wp-upgrader.php#L378"},{"url":"https://core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/includes/class-core-upgrader.php#L162"},{"url":"https://core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/includes/update-core.php#L1549"},{"url":"https://core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/setup-config.php#L282"},{"url":"https://core.trac.wordpress.org/browser/tags/7.1.4/src/wp-admin/includes/class-wp-upgrader.php#L346"},{"url":"https://core.trac.wordpress.org/browser/tags/7.1.4/src/wp-admin/includes/update-core.php#L1545"},{"url":"https://wordpress.org/news/2026/10/wordpress-7-1-4/"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition","cweId":"CWE-367","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.1,"baseSeverity":"HIGH"}}],"credits":[{"lang":"en","type":"finder","value":"Umut Bayram"}],"timeline":[{"time":"2026-10-28T00:00:00.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-11-03T00:00:00+00:00","options":[{"Exploitation":"active"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-119977"}}},{"other":{"type":"kev","content":{"dateAdded":"2026-11-03","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-119977"}}}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-core/wordpress-core-470-713-unauthenticated-upgrade-window-staged-installer-remote-code-execution","tags":["third-party-advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-119977","tags":["government-resource"]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-11-04T04:56:31.158Z"},"timeline":[{"time":"2026-11-03T00:00:00.000Z","lang":"en","value":"CVE-2026-119977 added to CISA KEV"}]}]}}