{ "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": "2026-11-03T20:58:23.478Z" }, "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": { "id": "CVE-2026-119977", "role": "CISA Coordinator", "options": [ { "Exploitation": "active" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "version": "2.0.3", "timestamp": "2026-11-03T20:50:05.434105Z" } } }, { "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": "2026-11-03T20:58:23.478Z" }, "timeline": [ { "time": "2026-11-03T00:00:00.000Z", "lang": "en", "value": "CVE-2026-119977 added to CISA KEV" } ] } ] } }