XSS in Phpsugar PHP Melody
CVE-2021-47912
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (12.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 12.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Phpsugar PHP Melody — versions 3.0
- Phpsugar PHP Melody — versions 3.0
Weakness classification (CWE)
References
- www.vulnerability-lab.com/get_content.php (Exploit, Third Party Advisory, exploit)
- www.phpsugar.com/blog/2021/09/php-melody-3-0-vulnerability-report-fix/ (patch, Vendor Advisory)
- www.phpsugar.com/phpmelody.html (Product, product)
- www.vulncheck.com/advisories/php-melody-non-persistent-cross-site-scripting-via… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2021-47912?
- CVE-2021-47912 is a medium-severity vulnerability in Phpsugar PHP Melody, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-02-01.
- How severe is CVE-2021-47912?
- Medium severity. CVSS v3 base score is 6.4 out of 10.