{"id":"CVE-2021-24705","aliases":["EUVD-2021-11617","GHSA-5w27-mg8j-wjm2"],"status":"published","title":"NEX-Forms \u003c 8.4.3 - Stored Cross-Site Scripting via CSRF","description":"The NEX-Forms WordPress plugin before 8.4.3 does not have CSRF checks in place when editing a form, and does not escape some of its settings as well as form fields before outputting them in attributes. This could allow attackers to make a logged in admin edit arbitrary forms with Cross-Site Scripting payloads in them","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":"2026-11-09","score":0.00315,"percentile":0.24616,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352","CWE-79"],"published":"2021-12-13T10:40:44Z","modified":"2026-06-17T03:40:46Z","products":[{"vendor":"basix","product":"nex-forms"},{"vendor":"basixonline","product":"nex-forms"},{"vendor":"unknown","product":"nex-forms"}],"references":[{"url":"https://wpscan.com/vulnerability/eca883d8-9499-4dbd-8fe1-4447fc2ca28a","tags":["exploit","vdb-entry","technical-description","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24705"},{"url":"https://github.com/advisories/GHSA-5w27-mg8j-wjm2"}],"sources":{"cve":[{"id":"CVE-2021-24705","title":"NEX-Forms \u003c 8.4.3 - Stored Cross-Site Scripting via CSRF","description":"The NEX-Forms WordPress plugin before 8.4.3 does not have CSRF checks in place when editing a form, and does not escape some of its settings as well as form fields before outputting them in attributes. This could allow attackers to make a logged in admin edit arbitrary forms with Cross-Site Scripting payloads in them","status":"published","published":"2021-12-13T10:40:44Z","modified":"2024-08-03T19:42:16.117Z","updated_at":"2026-11-02T14:33:05.000797Z"}],"euvd":[{"id":"EUVD-2021-11617","description":"The NEX-Forms WordPress plugin before 8.4.3 does not have CSRF checks in place when editing a form, and does not escape some of its settings as well as form fields before outputting them in attributes. This could allow attackers to make a logged in admin edit arbitrary forms with Cross-Site Scripting payloads in them","status":"published","published":"2021-12-13T10:40:44Z","modified":"2024-08-03T19:42:16Z","updated_at":"2026-11-03T03:24:56.31224Z"}],"ghsa":[{"id":"GHSA-5w27-mg8j-wjm2","title":"The NEX-Forms WordPress plugin through 7.9.4 does not escape some of its settings and form fields...","description":"The NEX-Forms WordPress plugin through 7.9.4 does not escape some of its settings and form fields before outputting them in attributes, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.","status":"published","published":"2021-12-14T00:01:10Z","modified":"2023-03-26T05:06:40Z","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","CWE-352"],"updated_at":"2026-11-02T14:54:24.139632Z"}],"nvd":[{"id":"CVE-2021-24705","description":"The NEX-Forms WordPress plugin before 8.4.3 does not have CSRF checks in place when editing a form, and does not escape some of its settings as well as form fields before outputting them in attributes. This could allow attackers to make a logged in admin edit arbitrary forms with Cross-Site Scripting payloads in them","status":"published","published":"2021-12-13T11:15:08.137Z","modified":"2026-06-17T03:40:46.107Z","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":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:07:02.189991Z"}]}}