{"id":"CVE-2026-66666","aliases":["DEBIAN-CVE-2026-66666","EUVD-2026-93555","GHSA-vxpf-4h6r-qjx4","UBUNTU-CVE-2026-66666"],"status":"published","title":"WordPress Core \u003c= 7.1.2 - Unauthenticated Sensitive Data Exposure of Comments on Private and Unpublished Posts via Comment Feed vulnerability","description":"Insertion of Sensitive Information Into Sent Data vulnerability in Automattic WordPress allows Retrieve Embedded Sensitive Data.\n\nThis issue affects WordPress: from 7.1 through 7.1.2, from 7.0 through 7.0.6, from 6.9 through 6.9.9, from 6.8 through 6.8.10, from 6.7 through 6.7.9, and from 6.6 through 6.6.9.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00403,"percentile":0.35025,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-201"],"published":"2026-10-06T17:48:37Z","modified":"2026-10-29T22:00:07Z","fixes":[{"ecosystem":"Debian:13","package":"wordpress","fixed_in":["6.8.12+dfsg1-0+deb13u1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"wordpress","fixed_in":["7.1.3+dfsg1-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.1.1+dfsg1-1","6.1.6+dfsg1-0+deb12u1","6.1.9+dfsg1-0+deb12u1","6.2+dfsg1-1","6.2.1+dfsg1-1","6.2.2+dfsg1-1","6.3+dfsg1-1","6.3.1+dfsg1-1","6.3.2+dfsg1-1","6.4.1+dfsg1-1","6.4.1+dfsg1-1.1","6.4.2+dfsg1-1","6.4.3+dfsg1-1","6.5+dfsg1-1","6.5.2+dfsg1-1","6.5.3+dfsg1-1","6.5.5+dfsg1-1","6.6.1+dfsg1-1","6.7.2+dfsg1-1","6.7.2+dfsg1-1.1","6.8.1+dfsg1-1","6.8.3+dfsg1-1","6.9+dfsg1-1","6.9.4+dfsg1-1","7.0+dfsg1-1","7.0.2+dfsg1-1","7.0.3+dfsg1-1","7.1+dfsg1-1","7.1.1+dfsg1-1","7.1.2+dfsg1-1","7.1.3+dfsg1-1","7.1.4+dfsg1-1"]},{"source":"osv","ecosystem":"Debian:13","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.12+dfsg1-0+deb13u1"}]}],"versions":["6.8.1+dfsg1-1","6.8.10+dfsg1-0+deb13u1","6.8.3+dfsg1-0+deb13u1","6.8.3+dfsg1-1","6.8.6+dfsg1-0+deb13u1","6.8.7+dfsg1-0+deb13u1"]},{"source":"osv","ecosystem":"Debian:14","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.1.3+dfsg1-1"}]}],"versions":["6.8.1+dfsg1-1","6.8.3+dfsg1-1","6.9+dfsg1-1","6.9.4+dfsg1-1","7.0+dfsg1-1","7.0.2+dfsg1-1","7.0.3+dfsg1-1","7.1+dfsg1-1","7.1.1+dfsg1-1","7.1.2+dfsg1-1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3+dfsg-1","4.3.1+dfsg-1","4.4+dfsg-1","4.4.1+dfsg-1","4.4.2+dfsg-1","4.4.2+dfsg-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.8.2+dfsg-2","4.8.3+dfsg-1","4.9.1+dfsg-1","4.9.2+dfsg-1","4.9.4+dfsg-1","4.9.5+dfsg1-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.2.2+dfsg1-1","5.2.4+dfsg1-1","5.3.2+dfsg1-1","5.3.2+dfsg1-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.7.1+dfsg1-2ubuntu1","5.8.1+dfsg1-2ubuntu1","5.8.2+dfsg1-1ubuntu1","5.8.3+dfsg1-1ubuntu1","5.8.3+dfsg1-1ubuntu1.1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.2+dfsg1-1ubuntu1","6.4.3+dfsg1-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.7.2+dfsg1-1.1ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.7.2+dfsg1-1.1ubuntu1","6.7.2+dfsg1-1.1ubuntu2"]}],"products":[{"vendor":"automattic","product":"wordpress"},{"vendor":"wordpress foundation","product":"wordpress"}],"references":[{"url":"https://patchstack.com/database/wordpress/wordpress/wordpress/vulnerability/wordpress-wordpress-wordpress-7-1-2-sensitive-data-exposure-vulnerability?_s_id=cve","tags":["vdb-entry"]},{"url":"https://wordpress.org/news/2026/10/wordpress-7-1-3-maintenance-and-security-release/","tags":["release-notes"]},{"url":"https://patchstack.com/articles/wordpress-7-1-3-security-release?_s_id=cve","tags":["related"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66666"},{"url":"https://wordpress.org/news/2026/10/wordpress-7-1-3-maintenance-and-security-release"},{"url":"https://github.com/advisories/GHSA-vxpf-4h6r-qjx4"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-66666","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-66666","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-66666","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-66666","title":"WordPress Core \u003c= 7.1.2 - Unauthenticated Sensitive Data Exposure of Comments on Private and Unpublished Posts via Comment Feed vulnerability","description":"Insertion of Sensitive Information Into Sent Data vulnerability in Automattic WordPress allows Retrieve Embedded Sensitive Data.\n\nThis issue affects WordPress: from 7.1 through 7.1.2, from 7.0 through 7.0.6, from 6.9 through 6.9.9, from 6.8 through 6.8.10, from 6.7 through 6.7.9, and from 6.6 through 6.6.9.","status":"published","published":"2026-10-06T17:48:37.371Z","modified":"2026-10-06T20:05:54.337Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-201"],"updated_at":"2026-11-02T14:20:12.939084Z"}],"euvd":[{"id":"EUVD-2026-93555","description":"Insertion of Sensitive Information Into Sent Data vulnerability in Automattic WordPress allows Retrieve Embedded Sensitive Data.\n\nThis issue affects WordPress: from 7.1 through 7.1.2, from 7.0 through 7.0.6, from 6.9 through 6.9.9, from 6.8 through 6.8.10, from 6.7 through 6.7.9, and from 6.6 through 6.6.9.","status":"published","published":"2026-10-06T17:48:37Z","modified":"2026-10-06T20:05:54Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T17:27:36.372028Z"}],"ghsa":[{"id":"GHSA-vxpf-4h6r-qjx4","title":"Insertion of Sensitive Information Into Sent Data vulnerability in Automattic WordPress wordpress...","description":"Insertion of Sensitive Information Into Sent Data vulnerability in Automattic WordPress wordpress allows Retrieve Embedded Sensitive Data.This issue affects WordPress: from n/a through 7.1.2.","status":"published","published":"2026-10-06T18:31:34Z","modified":"2026-10-06T21:31:40Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-201"],"updated_at":"2026-11-02T15:12:52.08897Z"}],"nvd":[{"id":"CVE-2026-66666","description":"Insertion of Sensitive Information Into Sent Data vulnerability in Automattic WordPress allows Retrieve Embedded Sensitive Data.\n\nThis issue affects WordPress: from 7.1 through 7.1.2, from 7.0 through 7.0.6, from 6.9 through 6.9.9, from 6.8 through 6.8.10, from 6.7 through 6.7.9, and from 6.6 through 6.6.9.","status":"published","published":"2026-10-06T18:16:55.81Z","modified":"2026-10-06T21:17:20.977Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-201"],"updated_at":"2026-11-02T14:12:54.486849Z"}],"osv":[{"id":"DEBIAN-CVE-2026-66666","description":"Insertion of Sensitive Information Into Sent Data vulnerability in Automattic WordPress allows Retrieve Embedded Sensitive Data.  This issue affects WordPress: from 7.1 through 7.1.2, from 7.0 through 7.0.6, from 6.9 through 6.9.9, from 6.8 through 6.8.10, from 6.7 through 6.7.9, and from 6.6 through 6.6.9.","status":"published","published":"2026-10-06T18:16:55.81Z","modified":"2026-10-29T22:00:07.634339557Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-02T15:45:58.699079Z"},{"id":"UBUNTU-CVE-2026-66666","description":"Insertion of Sensitive Information Into Sent Data vulnerability in Automattic WordPress allows Retrieve Embedded Sensitive Data. This issue affects WordPress: from 7.1 through 7.1.2, from 7.0 through 7.0.6, from 6.9 through 6.9.9, from 6.8 through 6.8.10, from 6.7 through 6.7.9, and from 6.6 through 6.6.9.","status":"published","published":"2026-10-06T18:16:00Z","modified":"2026-10-17T12:56:41.405467629Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:56:53.710209Z"}]}}