{"id":"CVE-2021-36888","aliases":["EUVD-2021-23464","GHSA-8fjw-gv37-439q"],"status":"published","title":"WordPress Image Hover Effects Ultimate plugin \u003c= 9.6.1 - Unauthenticated Arbitrary Options Update leading to full website compromise","description":"Unauthenticated Arbitrary Options Update vulnerability leading to full website compromise discovered in Image Hover Effects Ultimate (versions \u003c= 9.6.1) WordPress plugin.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.06532,"percentile":0.93876,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284","CWE-306","CWE-862"],"published":"2021-12-15T18:06:58Z","modified":"2026-06-17T03:59:34Z","exploits":[{"source":"nuclei","id":"CVE-2021-36888","title":"WordPress Image Hover Ultimate - Unauthenticated Settings Update","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-36888.yaml"}],"products":[{"vendor":"biplob adhikari","product":"image hover effects ultimate (wordpress plugin)"},{"vendor":"blocksera","product":"image_hover_effects"},{"vendor":"oxilab","product":"image hover effects ultimate (wordpress plugin)"}],"references":[{"url":"https://wordpress.org/plugins/image-hover-effects-ultimate/#developers","tags":["x_refsource_CONFIRM","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://patchstack.com/database/vulnerability/image-hover-effects-ultimate/wordpress-image-hover-effects-ultimate-plugin-9-6-1-unauthenticated-arbitrary-options-update-leading-to-full-website-compromise","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36888"},{"url":"https://github.com/advisories/GHSA-8fjw-gv37-439q"}],"sources":{"cve":[{"id":"CVE-2021-36888","title":"WordPress Image Hover Effects Ultimate plugin \u003c= 9.6.1 - Unauthenticated Arbitrary Options Update leading to full website compromise","description":"Unauthenticated Arbitrary Options Update vulnerability leading to full website compromise discovered in Image Hover Effects Ultimate (versions \u003c= 9.6.1) WordPress plugin.","status":"published","published":"2021-12-15T18:06:58.217Z","modified":"2026-04-28T16:07:36.288Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:33:06.32268Z"}],"euvd":[{"id":"EUVD-2021-23464","description":"Unauthenticated Arbitrary Options Update vulnerability leading to full website compromise discovered in Image Hover Effects Ultimate (versions \u003c= 9.6.1) WordPress plugin.","status":"published","published":"2021-12-15T18:06:58Z","modified":"2026-04-28T16:07:36Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:24:16.393887Z"}],"ghsa":[{"id":"GHSA-8fjw-gv37-439q","title":"Unauthenticated Arbitrary Options Update vulnerability leading to full website compromise...","description":"Unauthenticated Arbitrary Options Update vulnerability leading to full website compromise discovered in Image Hover Effects Ultimate (versions \u003c= 9.6.1) WordPress plugin.","status":"published","published":"2021-12-16T00:00:44Z","modified":"2023-01-29T05:06:52Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-306","CWE-862"],"updated_at":"2026-11-02T14:46:06.412268Z"}],"nvd":[{"id":"CVE-2021-36888","description":"Unauthenticated Arbitrary Options Update vulnerability leading to full website compromise discovered in Image Hover Effects Ultimate (versions \u003c= 9.6.1) WordPress plugin.","status":"published","published":"2021-12-15T19:15:14.963Z","modified":"2026-06-17T03:59:34.98Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-284","CWE-306"],"updated_at":"2026-11-02T14:07:02.566991Z"}]}}