{"id":"CVE-2021-47912","aliases":["EUVD-2021-34759","GHSA-f7c7-p5x7-c759"],"status":"published","title":"PHP Melody 3.0 Non-Persistent Cross-Site Scripting via Multiple Parameters","description":"PHP Melody version 3.0 contains multiple non-persistent cross-site scripting vulnerabilities in categories, import, and user import files. Attackers can inject malicious scripts through unvalidated parameters to execute client-side attacks and potentially hijack user sessions.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00265,"percentile":0.18584,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-02-01T12:15:47Z","modified":"2026-06-17T04:18:44Z","products":[{"vendor":"phpsugar","product":"php melody"},{"vendor":"phpsugar","product":"php_melody"}],"references":[{"url":"https://www.vulnerability-lab.com/get_content.php?id=2290","tags":["exploit","Exploit","Third Party Advisory"]},{"url":"https://www.phpsugar.com/blog/2021/09/php-melody-3-0-vulnerability-report-fix/","tags":["patch","Vendor Advisory"]},{"url":"https://www.phpsugar.com/phpmelody.html","tags":["product","Product"]},{"url":"https://www.vulncheck.com/advisories/php-melody-non-persistent-cross-site-scripting-via-multiple-parameters","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47912"},{"url":"https://www.phpsugar.com/blog/2021/09/php-melody-3-0-vulnerability-report-fix"},{"url":"https://github.com/advisories/GHSA-f7c7-p5x7-c759"}],"sources":{"cve":[{"id":"CVE-2021-47912","title":"PHP Melody 3.0 Non-Persistent Cross-Site Scripting via Multiple Parameters","description":"PHP Melody version 3.0 contains multiple non-persistent cross-site scripting vulnerabilities in categories, import, and user import files. Attackers can inject malicious scripts through unvalidated parameters to execute client-side attacks and potentially hijack user sessions.","status":"published","published":"2026-02-01T12:15:47.948Z","modified":"2026-03-05T01:29:14.657Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:56.308189Z"}],"euvd":[{"id":"EUVD-2021-34759","description":"PHP Melody version 3.0 contains multiple non-persistent cross-site scripting vulnerabilities in categories, import, and user import files. Attackers can inject malicious scripts through unvalidated parameters to execute client-side attacks and potentially hijack user sessions.","status":"published","published":"2026-02-01T12:15:47Z","modified":"2026-03-05T01:29:14Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:48:09.383214Z"}],"ghsa":[{"id":"GHSA-f7c7-p5x7-c759","title":"PHP Melody version 3.0 contains multiple non-persistent cross-site scripting vulnerabilities in...","description":"PHP Melody version 3.0 contains multiple non-persistent cross-site scripting vulnerabilities in categories, import, and user import files. Attackers can inject malicious scripts through unvalidated parameters to execute client-side attacks and potentially hijack user sessions.","status":"published","published":"2026-02-01T15:32:30Z","modified":"2026-02-01T15:32:31Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"},{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:06:00.246323Z"}],"nvd":[{"id":"CVE-2021-47912","description":"PHP Melody version 3.0 contains multiple non-persistent cross-site scripting vulnerabilities in categories, import, and user import files. Attackers can inject malicious scripts through unvalidated parameters to execute client-side attacks and potentially hijack user sessions.","status":"published","published":"2026-02-01T13:15:55.243Z","modified":"2026-06-17T04:18:44.637Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:09.005706Z"}]}}