Vulnerability · Published Feb 1, 2026 · Assigned by VulnCheck
CVE-2021-47914PHP Melody 3.0 Persistent XSS Vulnerability via Edit Video Parameter
Medium 6.4
In plain English
A medium-severity cross-site scripting in PHP Melody from PHPSUGAR. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).
Severity (CVSS 3.1)6.4Medium
Exploit odds (30 days)0.3%top 71.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
PHP Melody version 3.0 contains a persistent cross-site scripting vulnerability in the edit-video.php submitted parameter that allows remote attackers to inject malicious script code. Attackers can exploit this vulnerability to execute arbitrary JavaScript, potentially leading to session hijacking, persistent phishing, and manipulation of application modules.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| PHPSUGAR | PHP Melody | 3.0 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
References
- Vulnerability Lab Advisory exploit
- Vulnerability Lab Advisory patch
- Product Homepage product
- VulnCheck Advisory: PHP Melody 3.0 Persistent XSS Vulnerability via Edit Video Parameter third-party-advisory