{"id":"CVE-2022-3855","aliases":["EUVD-2022-43195","GHSA-4r7f-wp49-4mv2"],"status":"published","title":"404 to Start \u003c= 1.6.1 - Admin+ Stored XSS","description":"The 404 to Start WordPress plugin through 1.6.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00559,"percentile":0.46866,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-01-09T22:13:43Z","modified":"2026-06-17T05:00:26Z","products":[{"vendor":"404_to_start_project","product":"404_to_start"},{"vendor":"unknown","product":"404 to start"}],"references":[{"url":"https://wpscan.com/vulnerability/ae44f2d8-a452-4310-b616-54d9519867eb","tags":["exploit","vdb-entry","technical-description","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-3855"},{"url":"https://github.com/advisories/GHSA-4r7f-wp49-4mv2"}],"sources":{"cve":[{"id":"CVE-2022-3855","title":"404 to Start \u003c= 1.6.1 - Admin+ Stored XSS","description":"The 404 to Start WordPress plugin through 1.6.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).","status":"published","published":"2023-01-09T22:13:43.274Z","modified":"2025-04-09T18:38:24.52Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"updated_at":"2026-11-02T14:34:33.24035Z"}],"euvd":[{"id":"EUVD-2022-43195","description":"The 404 to Start WordPress plugin through 1.6.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).","status":"published","published":"2023-01-09T22:13:43Z","modified":"2025-04-09T18:38:24Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T20:52:38.263259Z"}],"ghsa":[{"id":"GHSA-4r7f-wp49-4mv2","title":"The 404 to Start WordPress plugin through 1.6.1 does not sanitise and escape some of its settings...","description":"The 404 to Start WordPress plugin through 1.6.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).","status":"published","published":"2023-01-10T00:30:26Z","modified":"2023-01-29T05:03:47Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:45:24.208268Z"}],"nvd":[{"id":"CVE-2022-3855","description":"The 404 to Start WordPress plugin through 1.6.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).","status":"published","published":"2023-01-09T23:15:26.92Z","modified":"2026-06-17T05:00:26.68Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"updated_at":"2026-11-02T14:07:35.157734Z"}]}}
