CVE-2021-47750 MEDIUM

CVE-2021-47750: YouPHPTube <= 7.8 - Cross-Site Scripting

Vendor Youphptube
Product YouPHPTube
Weakness CWE-79 · XSS
Published January 13, 2026
Last update May 24, 2026

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS 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

What the vulnerability does

01Description

YouPHPTube <= 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.

Key dates

02Disclosure timeline

January 13, 2026 CVE published
May 24, 2026 Record updated