What’s Vulnerable › Vulnerabilities

CVE-2021-47912: PHP Melody 3.0 Non-Persistent Cross-Site Scripting via Multiple Parameters

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-02-01 · updated 2026-06-17
• Weakness: CWE-79

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

• PHPSUGAR PHP Melody: 3.0

References

• https://www.phpsugar.com/blog/2021/09/php-melody-3-0-vulnerability-report-fix/
• https://www.phpsugar.com/phpmelody.html
• https://www.vulncheck.com/advisories/php-melody-non-persistent-cross-site-scripting-via-multiple-parameters
• https://www.vulnerability-lab.com/get_content.php?id=2290
• https://www.vulnerability-lab.com/get_content.php?id=2290

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