{"cve":"CVE-2021-4244","nvd":{"published":"2022-12-12T14:15:10.400","modified":"2026-06-17T04:19:20.403","status":"Modified","description":"A vulnerability classified as problematic has been found in yikes-inc-easy-mailchimp-extender Plugin up to 6.8.5. This affects an unknown part of the file admin/partials/ajax/add_field_to_form.php. The manipulation of the argument field_name/merge_tag/field_type/list_id leads to cross site scripting. It is possible to initiate the attack remotely. Upgrading to version 6.8.6 is able to address this issue. The name of the patch is 3662c6593aa1bb4286781214891d26de2e947695. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-215307.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79","CWE-707"],"references":["https://github.com/EvanHerman/yikes-inc-easy-mailchimp-extender/commit/3662c6593aa1bb4286781214891d26de2e947695","https://github.com/EvanHerman/yikes-inc-easy-mailchimp-extender/pull/889","https://github.com/EvanHerman/yikes-inc-easy-mailchimp-extender/releases/tag/6.8.6","https://vuldb.com/?id.215307","https://github.com/EvanHerman/yikes-inc-easy-mailchimp-extender/commit/3662c6593aa1bb4286781214891d26de2e947695"],"products":["yikesplugins:easy_forms_for_mailchimp"],"source":"nvd","synced_at":"2026-10-19T21:37:28.463369388+00:00"},"epss":{"cve":"CVE-2021-4244","score":0.00591,"percentile":0.48279,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}