{"id":"CVE-2021-36873","aliases":["EUVD-2021-23449","GHSA-5mcg-fw36-rwf2"],"status":"published","title":"WordPress iQ Block Country plugin \u003c= 1.2.11 - Authenticated Persistent Cross-Site Scripting (XSS) vulnerability","description":"Authenticated Persistent Cross-Site Scripting (XSS) vulnerability in WordPress iQ Block Country plugin (versions \u003c= 1.2.11). Vulnerable parameter: \u0026blockcountry_blockmessage.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01215,"percentile":0.68819,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-09-23T15:07:44Z","modified":"2026-06-17T03:59:33Z","exploits":[{"source":"nuclei","id":"CVE-2021-36873","title":"WordPress iQ Block Country \u003c=1.2.11 - Cross-Site Scripting","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-36873.yaml"}],"products":[{"vendor":"unknown","product":"iq block country"},{"vendor":"webence","product":"iq block country"},{"vendor":"webence","product":"iq_block_country"}],"references":[{"url":"https://wordpress.org/plugins/iq-block-country/#developers","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://patchstack.com/database/vulnerability/iq-block-country-/wordpress-iq-block-country-plugin-1-2-11-authenticated-persistent-cross-site-scripting-xss-vulnerability","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36873"},{"url":"https://github.com/advisories/GHSA-5mcg-fw36-rwf2"}],"sources":{"cve":[{"id":"CVE-2021-36873","title":"WordPress iQ Block Country plugin \u003c= 1.2.11 - Authenticated Persistent Cross-Site Scripting (XSS) vulnerability","description":"Authenticated Persistent Cross-Site Scripting (XSS) vulnerability in WordPress iQ Block Country plugin (versions \u003c= 1.2.11). Vulnerable parameter: \u0026blockcountry_blockmessage.","status":"published","published":"2021-09-23T15:07:44.186Z","modified":"2026-04-28T16:07:35.893Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.989686Z"}],"euvd":[{"id":"EUVD-2021-23449","description":"Authenticated Persistent Cross-Site Scripting (XSS) vulnerability in WordPress iQ Block Country plugin (versions \u003c= 1.2.11). Vulnerable parameter: \u0026blockcountry_blockmessage.","status":"published","published":"2021-09-23T15:07:44Z","modified":"2026-04-28T16:07:35Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:16.393887Z"}],"ghsa":[{"id":"GHSA-5mcg-fw36-rwf2","title":"Authenticated Persistent Cross-Site Scripting (XSS) vulnerability in WordPress iQ Block Country...","description":"Authenticated Persistent Cross-Site Scripting (XSS) vulnerability in WordPress iQ Block Country plugin (versions \u003c= 1.2.11). Vulnerable parameter: \u0026blockcountry_blockmessage.","status":"published","published":"2022-05-24T19:15:31Z","modified":"2023-01-30T05:02:27Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:38.51672Z"}],"nvd":[{"id":"CVE-2021-36873","description":"Authenticated Persistent Cross-Site Scripting (XSS) vulnerability in WordPress iQ Block Country plugin (versions \u003c= 1.2.11). Vulnerable parameter: \u0026blockcountry_blockmessage.","status":"published","published":"2021-09-23T17:15:12.153Z","modified":"2026-06-17T03:59:33.267Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:58.933037Z"}]}}