XSS in Phpsugar Php Melody

CVE-2021-47913

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (12.3th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-47913?
CVE-2021-47913 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-2021-47913?
Medium severity. CVSS v3 base score is 6.4 out of 10.