{"id":"CVE-2021-47750","aliases":["EUVD-2026-2653","GHSA-v3cf-6fh9-2ghv"],"status":"published","title":"YouPHPTube \u003c= 7.8 - Cross-Site Scripting","description":"YouPHPTube \u003c= 7.8 contains a cross-site scripting vulnerability that allows attackers to inject malicious scripts through the redirectUri parameter in the signup page. Attackers can craft special signup URLs with embedded script tags to execute arbitrary JavaScript in victims' browsers when they access the signup page.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00363,"percentile":0.30534,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-01-13T22:56:03Z","modified":"2026-10-24T10:30:48Z","products":[{"vendor":"youphptube","product":"youphptube"}],"references":[{"url":"https://www.exploit-db.com/exploits/51101","tags":["exploit","Exploit","Third Party Advisory","VDB Entry","evidence"]},{"url":"https://web.archive.org/web/20170506141644/https://www.youphptube.com/","tags":["product","Not Applicable","web"]},{"url":"https://www.vulncheck.com/advisories/youphptube-cross-site-scripting","tags":["third-party-advisory","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47750"},{"url":"https://web.archive.org/web/20170506141644/https://www.youphptube.com"},{"url":"https://github.com/advisories/GHSA-v3cf-6fh9-2ghv"}],"sources":{"cve":[{"id":"CVE-2021-47750","title":"YouPHPTube \u003c= 7.8 - Cross-Site Scripting","description":"YouPHPTube \u003c= 7.8 contains a cross-site scripting vulnerability that allows attackers to inject malicious scripts through the redirectUri parameter in the signup page. Attackers can craft special signup URLs with embedded script tags to execute arbitrary JavaScript in victims' browsers when they access the signup page.","status":"published","published":"2026-01-13T22:56:03.555Z","modified":"2026-05-24T01:37:01.817Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"},{"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":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:56.689433Z"}],"euvd":[{"id":"EUVD-2026-2653","description":"YouPHPTube \u003c= 7.8 contains a cross-site scripting vulnerability that allows attackers to inject malicious scripts through the redirectUri parameter in the signup page. Attackers can craft special signup URLs with embedded script tags to execute arbitrary JavaScript in victims' browsers when they access the signup page.","status":"published","published":"2026-01-13T22:56:03Z","modified":"2026-05-24T01:37:01Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:21:08.174412Z"}],"ghsa":[{"id":"GHSA-v3cf-6fh9-2ghv","title":"YouPHPTube \u003c= 7.8 contains a cross-site scripting vulnerability that allows attackers to inject...","description":"YouPHPTube \u003c= 7.8 contains a cross-site scripting vulnerability that allows attackers to inject malicious scripts through the redirectUri parameter in the signup page. Attackers can craft special signup URLs with embedded script tags to execute arbitrary JavaScript in victims' browsers when they access the signup page.","status":"published","published":"2026-01-14T00:31:26Z","modified":"2026-01-14T00:31:35Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/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"},{"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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:05:35.747641Z"}],"nvd":[{"id":"CVE-2021-47750","description":"YouPHPTube \u003c= 7.8 contains a cross-site scripting vulnerability that allows attackers to inject malicious scripts through the redirectUri parameter in the signup page. Attackers can craft special signup URLs with embedded script tags to execute arbitrary JavaScript in victims' browsers when they access the signup page.","status":"published","published":"2026-01-13T23:15:49.097Z","modified":"2026-06-17T04:18:25.11Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/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":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:09.005706Z"}],"osv":[{"id":"CVE-2021-47750","description":"YouPHPTube \u003c= 7.8 contains a cross-site scripting vulnerability that allows attackers to inject malicious scripts through the redirectUri parameter in the signup page. Attackers can craft special signup URLs with embedded script tags to execute arbitrary JavaScript in victims' browsers when they access the signup page.","status":"published","published":"2026-01-13T23:15:49.097Z","modified":"2026-10-24T10:30:48.288198418Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/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"}],"updated_at":"2026-11-02T15:44:22.824781Z"}]}}