{"id":"CVE-2023-30777","aliases":["EUVD-2023-35139","GHSA-c463-967w-9f3r"],"status":"published","title":"WordPress Advanced Custom Fields / Advanced Custom Fields PRO plugins \u003c= 6.1.5 vulnerable to Cross Site Scripting (XSS)","description":"Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in WP Engine Advanced Custom Fields Pro, WP Engine Advanced Custom Fields plugins \u003c= 6.1.5 versions.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.39003,"percentile":0.98612,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2023-05-10T05:50:04Z","modified":"2026-06-17T05:55:39Z","exploits":[{"source":"nuclei","id":"CVE-2023-30777","title":"Advanced Custom Fields \u003c 6.1.6 - Cross-Site Scripting","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-30777.yaml"},{"source":"pocgithub","id":"Alucard0x1/CVE-2023-30777","title":"Alucard0x1/CVE-2023-30777","date":"2023-06-17","url":"https://github.com/Alucard0x1/CVE-2023-30777"}],"products":[{"vendor":"advancedcustomfields","product":"advanced_custom_fields"},{"vendor":"tassos.gr","product":"advanced custom fields"},{"vendor":"unknown","product":"advanced custom fields pro"},{"vendor":"wp engine","product":"advanced custom fields"},{"vendor":"wp engine","product":"advanced custom fields pro"}],"references":[{"url":"https://patchstack.com/database/vulnerability/advanced-custom-fields-pro/wordpress-advanced-custom-fields-pro-plugin-6-1-5-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve","tags":["vdb-entry","x_transferred","Third Party Advisory"]},{"url":"https://patchstack.com/database/vulnerability/advanced-custom-fields/wordpress-advanced-custom-fields-plugin-6-1-5-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve","tags":["vdb-entry","x_transferred","Third Party Advisory"]},{"url":"https://patchstack.com/articles/reflected-xss-in-advanced-custom-fields-plugins-affecting-2-million-sites?_s_id=cve","tags":["technical-description","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-30777"},{"url":"https://github.com/advisories/GHSA-c463-967w-9f3r"}],"sources":{"cve":[{"id":"CVE-2023-30777","title":"WordPress Advanced Custom Fields / Advanced Custom Fields PRO plugins \u003c= 6.1.5 vulnerable to Cross Site Scripting (XSS)","description":"Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in WP Engine Advanced Custom Fields Pro, WP Engine Advanced Custom Fields plugins \u003c= 6.1.5 versions.","status":"published","published":"2023-05-10T05:50:04.023Z","modified":"2026-04-28T16:08:19.637Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:22.309324Z"}],"euvd":[{"id":"EUVD-2023-35139","description":"Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in WP Engine Advanced Custom Fields Pro, WP Engine Advanced Custom Fields plugins \u003c= 6.1.5 versions.","status":"published","published":"2023-05-10T05:50:04Z","modified":"2026-04-28T16:08:19Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T19:24:09.672823Z"}],"ghsa":[{"id":"GHSA-c463-967w-9f3r","title":"Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in WP Engine Advanced Custom Fields...","description":"Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in WP Engine Advanced Custom Fields Pro, WP Engine Advanced Custom Fields plugins \u003c= 6.1.5 versions.","status":"published","published":"2023-07-06T21:14:55Z","modified":"2024-04-04T05:41:44Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:56:34.916776Z"}],"nvd":[{"id":"CVE-2023-30777","description":"Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in WP Engine Advanced Custom Fields Pro, WP Engine Advanced Custom Fields plugins \u003c= 6.1.5 versions.","status":"published","published":"2023-05-10T06:15:18.52Z","modified":"2026-06-17T05:55:39.91Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:08:01.131774Z"}]}}