Vulnerability · Published Feb 1, 2026 · Assigned by VulnCheck
CVE-2021-47912PHP Melody 3.0 Non-Persistent Cross-Site Scripting via Multiple Parameters
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 18% of all known vulnerabilities).
Severity (CVSS 3.1)6.4Medium
Exploit odds (30 days)0.3%top 81.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
PHP Melody version 3.0 contains multiple non-persistent cross-site scripting vulnerabilities in categories, import, and user import files. Attackers can inject malicious scripts through unvalidated parameters to execute client-side attacks and potentially hijack user sessions.
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 Non-Persistent Cross-Site Scripting via Multiple Parameters third-party-advisory