Vulnerability · Published Feb 1, 2026 · Assigned by VulnCheck
CVE-2021-47913PHP Melody 3.0 Persistent Cross-Site Scripting via Video Editor
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 3.0 contains a persistent cross-site scripting vulnerability in the video editor that allows privileged users to inject malicious scripts. Attackers can exploit the WYSIWYG editor to execute persistent scripts, potentially leading to session hijacking and application manipulation.
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 Cross-Site Scripting via Video Editor third-party-advisory