{"id":"CVE-2021-24495","aliases":["EUVD-2021-11407","GHSA-4r3v-6fhp-p4mw"],"status":"published","title":"Marmoset Viewer \u003c 1.9.3 - Reflected Cross Site Scripting","description":"The Marmoset Viewer WordPress plugin before 1.9.3 does not property sanitize, validate or escape the 'id' parameter before outputting back in the page, leading to a reflected Cross-Site Scripting issue.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-10","score":0.03343,"percentile":0.88765,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-08-09T10:04:06Z","modified":"2026-06-17T03:40:07Z","exploits":[{"source":"nuclei","id":"CVE-2021-24495","title":"Wordpress Marmoset Viewer \u003c1.9.3 - Cross-Site Scripting","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24495.yaml"}],"products":[{"vendor":"marmoset","product":"marmoset_viewer"},{"vendor":"revolutionart","product":"marmoset viewer"},{"vendor":"unknown","product":"marmoset viewer"}],"references":[{"url":"https://wpscan.com/vulnerability/d11b79a3-f762-49ab-b7c8-3174624d7638","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://johnjhacking.com/blog/cve-2021-24495-improper-neutralization-of-input-during-web-page-generation-on-id-parameter-in-wordpress-marmoset-viewer-plugin-versions-1.9.3-leads-to-reflected-cross-site-scripting/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24495"},{"url":"https://github.com/advisories/GHSA-4r3v-6fhp-p4mw"}],"sources":{"cve":[{"id":"CVE-2021-24495","title":"Marmoset Viewer \u003c 1.9.3 - Reflected Cross Site Scripting","description":"The Marmoset Viewer WordPress plugin before 1.9.3 does not property sanitize, validate or escape the 'id' parameter before outputting back in the page, leading to a reflected Cross-Site Scripting issue.","status":"published","published":"2021-08-09T10:04:06Z","modified":"2024-08-03T19:35:19.687Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.000797Z"}],"euvd":[{"id":"EUVD-2021-11407","description":"The Marmoset Viewer WordPress plugin before 1.9.3 does not property sanitize, validate or escape the 'id' parameter before outputting back in the page, leading to a reflected Cross-Site Scripting issue.","status":"published","published":"2021-08-09T10:04:06Z","modified":"2024-08-03T19:35:19Z","updated_at":"2026-11-03T03:24:57.403647Z"}],"ghsa":[{"id":"GHSA-4r3v-6fhp-p4mw","title":"The Marmoset Viewer WordPress plugin before 1.9.3 does not property sanitize, validate or escape...","description":"The Marmoset Viewer WordPress plugin before 1.9.3 does not property sanitize, validate or escape the 'id' parameter before outputting back in the page, leading to a reflected Cross-Site Scripting issue.","status":"published","published":"2022-05-24T19:10:29Z","modified":"2023-01-30T05:01:18Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:22.963176Z"}],"nvd":[{"id":"CVE-2021-24495","description":"The Marmoset Viewer WordPress plugin before 1.9.3 does not property sanitize, validate or escape the 'id' parameter before outputting back in the page, leading to a reflected Cross-Site Scripting issue.","status":"published","published":"2021-08-09T10:15:07.327Z","modified":"2026-06-17T03:40:07.907Z","cvss":[{"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"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:56.562207Z"}]}}