CVE-2021-47750

5.1 mediumEPSS 0.4%

Medium (5.1) in youphptube youphptube. EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

5.1 medium

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

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-01-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

youphptube:youphptube

References

https://web.archive.org/web/20170506141644/https://www.youphptube.com/
https://www.exploit-db.com/exploits/51101
https://www.vulncheck.com/advisories/youphptube-cross-site-scripting

Check your stack JSON