{"id":"CVE-2026-16747","aliases":["EUVD-2026-57174","GHSA-p469-wjxr-57rr"],"status":"published","title":"Kirki \u003c 6.2.1 - Unauthenticated Arbitrary Shortcode Execution via Form Email Actions","description":"The Kirki WordPress plugin before 6.2.1 does not properly authorise its front-end form submission REST routes and passes attacker-controlled input through shortcode execution, allowing unauthenticated users to run any shortcode registered on the site, which on a default install leads to disclosure of the site administrator's email address and an arbitrary-recipient mail relay from the victim's domain.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00367,"percentile":0.30782,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-74"],"published":"2026-08-12T11:24:00Z","modified":"2026-08-26T16:30:52Z","products":[{"vendor":"themeum","product":"kirki"},{"vendor":"unknown","product":"kirki"}],"references":[{"url":"https://wpscan.com/vulnerability/4330c6e0-071e-49d6-b1ec-5c8633171bc4/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16747"},{"url":"https://wpscan.com/vulnerability/4330c6e0-071e-49d6-b1ec-5c8633171bc4"},{"url":"https://github.com/advisories/GHSA-p469-wjxr-57rr"}],"sources":{"cve":[{"id":"CVE-2026-16747","title":"Kirki \u003c 6.2.1 - Unauthenticated Arbitrary Shortcode Execution via Form Email Actions","description":"The Kirki WordPress plugin before 6.2.1 does not properly authorise its front-end form submission REST routes and passes attacker-controlled input through shortcode execution, allowing unauthenticated users to run any shortcode registered on the site, which on a default install leads to disclosure of the site administrator's email address and an arbitrary-recipient mail relay from the victim's domain.","status":"published","published":"2026-08-12T11:24:00.245Z","modified":"2026-08-12T12:12:18.556Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:20:10.870108Z"}],"euvd":[{"id":"EUVD-2026-57174","description":"The Kirki WordPress plugin before 6.2.1 does not properly authorise its front-end form submission REST routes and passes attacker-controlled input through shortcode execution, allowing unauthenticated users to run any shortcode registered on the site, which on a default install leads to disclosure of the site administrator's email address and an arbitrary-recipient mail relay from the victim's domain.","status":"published","published":"2026-08-12T11:24:00Z","modified":"2026-08-12T12:12:18Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:59.11112Z"}],"ghsa":[{"id":"GHSA-p469-wjxr-57rr","title":"The Kirki WordPress plugin before 6.2.1 does not properly authorise its front-end form submission...","description":"The Kirki WordPress plugin before 6.2.1 does not properly authorise its front-end form submission REST routes and passes attacker-controlled input through shortcode execution, allowing unauthenticated users to run any shortcode registered on the site, which on a default install leads to disclosure of the site administrator's email address and an arbitrary-recipient mail relay from the victim's domain.","status":"published","published":"2026-08-12T12:32:54Z","modified":"2026-08-12T15:30:44Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T15:10:22.744469Z"}],"nvd":[{"id":"CVE-2026-16747","description":"The Kirki WordPress plugin before 6.2.1 does not properly authorise its front-end form submission REST routes and passes attacker-controlled input through shortcode execution, allowing unauthenticated users to run any shortcode registered on the site, which on a default install leads to disclosure of the site administrator's email address and an arbitrary-recipient mail relay from the victim's domain.","status":"published","published":"2026-08-12T12:17:47.053Z","modified":"2026-08-26T16:30:52.723Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:12:36.880938Z"}]}}