YouPHPTube <= 7.8 - Cross-Site Scripting
Priority MEDIUM 56CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00363 30th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| YouPHPTube | YouPHPTube | up to 7.8 | — | No fix listed | CNA |
- YouPHPTube VendorYouPHPTube Affected up to 7.8 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:youphptube:youphptube:*:*:*:*:*:*:*:* | up to 7.8 | Vulnerable | YouPHPTube |
- cpe:2.3:a:youphptube:youphptube:*:*:*:*:*:*:*:* Versions up to 7.8 Vulnerable ·YouPHPTube
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-47750
- 2026-10-03 Alias added: GHSA-v3cf-6fh9-2ghv
References
Exploit 1
Other 1
More Youphptube vulnerabilities
- TI-2021-22366 YouPHPTube <= 7.8 - Directory Traversal CVSS 4.0HIGH 8.7
- TI-2019-12114 In YouPHPTube 7.4, the file install/checkConfiguration.php has no access control, which… CVSS 3.1CRITICAL 9.8
- TI-2019-13501 An issue was discovered in YouPHPTube through 7.7. CVSS 3.1CRITICAL 9.8
- TI-2019-03607 SQL injection in YouPHPTube CVSS 3.1CRITICAL 10.0
- TI-2019-03572 SQL injection in YouPHPTube CVSS 3.1CRITICAL 9.9
- TI-2019-03606 SQL injection in YouPHPTube CVSS 3.1HIGH 8.9
Sources
- CVE-2021-47750 · CVE Program
- CVE-2021-47750 · NVD
- FIRST EPSS
- GHSA-v3cf-6fh9-2ghv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences