{"id":"CVE-2026-78363","aliases":["EUVD-2026-68991","GHSA-224h-2cg4-2prq"],"status":"published","title":"MW WP Form \u003c 5.1.5 - Unauthenticated Arbitrary Shortcode Execution via Completion Message Merge Tags","description":"The MW WP Form WordPress plugin before 5.1.5 does not prevent shortcodes in user-submitted values from being executed when it merges those values into a message that it later processes for shortcodes, allowing unauthenticated users to run any shortcode registered on the site. Exploitation requires the site to have been configured to echo a submitted value back to the visitor after submission.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00243,"percentile":0.15622,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-74"],"published":"2026-09-01T07:39:08Z","modified":"2026-09-01T20:50:58Z","products":[{"vendor":"unknown","product":"mw wp form"},{"vendor":"websoudan","product":"mw wp form"}],"references":[{"url":"https://wpscan.com/vulnerability/0569c5f7-2001-4364-a68b-451b73f3a32a/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-78363"},{"url":"https://wpscan.com/vulnerability/0569c5f7-2001-4364-a68b-451b73f3a32a"},{"url":"https://github.com/advisories/GHSA-224h-2cg4-2prq"}],"sources":{"cve":[{"id":"CVE-2026-78363","title":"MW WP Form \u003c 5.1.5 - Unauthenticated Arbitrary Shortcode Execution via Completion Message Merge Tags","description":"The MW WP Form WordPress plugin before 5.1.5 does not prevent shortcodes in user-submitted values from being executed when it merges those values into a message that it later processes for shortcodes, allowing unauthenticated users to run any shortcode registered on the site. Exploitation requires the site to have been configured to echo a submitted value back to the visitor after submission.","status":"published","published":"2026-09-01T07:39:08.429Z","modified":"2026-09-01T12:20:29.709Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T13:34:59.78118Z"}],"euvd":[{"id":"EUVD-2026-68991","description":"The MW WP Form WordPress plugin before 5.1.5 does not prevent shortcodes in user-submitted values from being executed when it merges those values into a message that it later processes for shortcodes, allowing unauthenticated users to run any shortcode registered on the site. Exploitation requires the site to have been configured to echo a submitted value back to the visitor after submission.","status":"published","published":"2026-09-01T07:39:08Z","modified":"2026-09-01T12:20:29Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:18.76029Z"}],"ghsa":[{"id":"GHSA-224h-2cg4-2prq","title":"The MW WP Form WordPress plugin before 5.1.5 does not prevent shortcodes in user-submitted values...","description":"The MW WP Form WordPress plugin before 5.1.5 does not prevent shortcodes in user-submitted values from being executed when it merges those values into a message that it later processes for shortcodes, allowing unauthenticated users to run any shortcode registered on the site. Exploitation requires the site to have been configured to echo a submitted value back to the visitor after submission.","status":"published","published":"2026-09-01T09:31:19Z","modified":"2026-09-01T15:31:07Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T15:11:13.213599Z"}],"nvd":[{"id":"CVE-2026-78363","description":"The MW WP Form WordPress plugin before 5.1.5 does not prevent shortcodes in user-submitted values from being executed when it merges those values into a message that it later processes for shortcodes, allowing unauthenticated users to run any shortcode registered on the site. Exploitation requires the site to have been configured to echo a submitted value back to the visitor after submission.","status":"published","published":"2026-09-01T08:17:01.51Z","modified":"2026-09-01T20:50:58.753Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:12:43.04945Z"}]}}