{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/348593?format=json","vulnerability_id":"VCID-zf8r-75us-nygf","summary":"WordPress core is vulnerable to unauthorized access in versions 6.9 through 6.9.1. The Notes feature (block-level collaboration annotations) was introduced in WordPress 6.9 to allow editorial comments directly on posts in the block editor. However, the REST API `create_item_permissions_check()` method in the comments controller did not verify that the authenticated user has `edit_post` permission on the target post when creating a note. This makes it possible for authenticated attackers with Subscriber-level access to create notes on any post, including posts authored by other users, private posts, and posts in any status.","aliases":[{"alias":"CVE-2026-3906"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/942936?format=json","purl":"pkg:deb/debian/wordpress@0?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/wordpress@0%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/942927?format=json","purl":"pkg:deb/debian/wordpress@5.7.11%2Bdfsg1-0%2Bdeb11u1?distro=trixie","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-gyaq-8pvh-p7gg"},{"vulnerability":"VCID-jghn-eujf-zbdn"},{"vulnerability":"VCID-yqam-kpce-dfg7"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/wordpress@5.7.11%252Bdfsg1-0%252Bdeb11u1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/942925?format=json","purl":"pkg:deb/debian/wordpress@6.1.9%2Bdfsg1-0%2Bdeb12u1?distro=trixie","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-gyaq-8pvh-p7gg"},{"vulnerability":"VCID-jghn-eujf-zbdn"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/wordpress@6.1.9%252Bdfsg1-0%252Bdeb12u1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/942929?format=json","purl":"pkg:deb/debian/wordpress@6.8.3%2Bdfsg1-0%2Bdeb13u1?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/wordpress@6.8.3%252Bdfsg1-0%252Bdeb13u1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/942928?format=json","purl":"pkg:deb/debian/wordpress@6.9.4%2Bdfsg1-1?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/wordpress@6.9.4%252Bdfsg1-1%3Fdistro=trixie"}],"affected_packages":[],"references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-3906","reference_id":"","reference_type":"","scores":[{"value":"0.00023","scoring_system":"epss","scoring_elements":"0.061","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00023","scoring_system":"epss","scoring_elements":"0.06071","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00023","scoring_system":"epss","scoring_elements":"0.06153","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00023","scoring_system":"epss","scoring_elements":"0.06162","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00023","scoring_system":"epss","scoring_elements":"0.06123","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00023","scoring_system":"epss","scoring_elements":"0.06083","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07564","published_at":"2026-05-14T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07298","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07312","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07461","published_at":"2026-05-07T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07529","published_at":"2026-05-09T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07511","published_at":"2026-05-11T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07527","published_at":"2026-05-12T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07318","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07308","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07238","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07233","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07361","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00026","scoring_system":"epss","scoring_elements":"0.07324","published_at":"2026-04-26T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-3906"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1131148","reference_id":"1131148","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1131148"},{"reference_url":"https://core.trac.wordpress.org/changeset/61888","reference_id":"61888","reference_type":"","scores":[{"value":"4.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-11T13:18:15Z/"}],"url":"https://core.trac.wordpress.org/changeset/61888"},{"reference_url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/a69782f0-aa61-4049-8339-7f27f4b6c36b?source=cve","reference_id":"a69782f0-aa61-4049-8339-7f27f4b6c36b?source=cve","reference_typ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Authorization","description":"The product does not perform an authorization check when an actor attempts to access a resource or perform an action."}],"exploits":[],"severity_range_score":"4.3 - 4.3","exploitability":null,"weighted_severity":null,"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-zf8r-75us-nygf"}