PT-2026-2359 · Unknown · Youphptube

Rafael Pedrero · Published 2026-01-13 · Updated 2026-01-14 · CVE-2021-47750

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions YouPHPTube versions prior to 7.9

Description The software contains a cross-site scripting issue that allows attackers to inject malicious scripts. This is achieved by manipulating the redirectUri parameter within the signup page. Successful exploitation results in the execution of arbitrary JavaScript code in the browsers of users who access the crafted signup URL.

Recommendations Update YouPHPTube to version 7.9 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-47750

Affected Products

Youphptube

References · 6

• 🔥 https://exploit-db.com/exploits/51101 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-47750 · Security Note
• https://osv.dev/vulnerability/CVE-2021-47750 · Vendor Advisory
• https://vulncheck.com/advisories/youphptube-cross-site-scripting · Note
• https://twitter.com/CVEnew/status/2011383033421521048 · Twitter Post
• https://web.archive.org/web/20170506141644/https://youphptube.com · Note