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

Quick assessment

Affected
YouPHPTube YouPHPTube
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

YouPHPTube是一套基于PHP的视频网站系统。 YouPHPTube 7.8及之前版本存在跨站脚本漏洞，该漏洞源于signup页面中的redirectUri参数存在跨站脚本漏洞，可能导致执行任意JavaScript。

CVSS 6.1 · Medium EPSS 0.36% · P27

Affected Version Matrix 1

VendorProduct Version RangeStatus
YouPHPTube YouPHPTube ≤ 7.8 affected
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I. Basic Information for CVE-2021-47750

Vulnerability Information
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Vulnerability Title
YouPHPTube <= 7.8 - Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
YouPHPTube 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
YouPHPTube是一套基于PHP的视频网站系统。 YouPHPTube 7.8及之前版本存在跨站脚本漏洞，该漏洞源于signup页面中的redirectUri参数存在跨站脚本漏洞，可能导致执行任意JavaScript。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
YouPHPTube YouPHPTube 0 ~ 7.8 -

II. Public POCs for CVE-2021-47750

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-47750

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Vendor Advisories for CVE-2021-47750 (1)

Exploits & Public PoCs for CVE-2021-47750 (1)

Other References for CVE-2021-47750 (1)

IV. Related Vulnerabilities

Same product: YouPHPTube
Same vendor: YouPHPTube
Same weakness: CWE-79

V. Comments for CVE-2021-47750

Anonymous User
2026-01-15 06:08:43

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