CVE-2021-47913 | THREATINT

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.

PUBLISHED Reserved 2026-02-01 | Published 2026-02-01 | Updated 2026-02-03 | Assigner VulnCheck

MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

MEDIUM: 6.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Problem types

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status

unaffected

3.0

affected

Credits

Vulnerability-Lab [Research Team] finder

References

www.vulnerability-lab.com/get_content.php?id=2291 exploit

www.vulnerability-lab.com/get_content.php?id=2291 (Vulnerability Lab Advisory) exploit

www.phpsugar.com/...php-melody-3-0-vulnerability-report-fix/ (Vulnerability Lab Advisory) patch

www.phpsugar.com/phpmelody.html (Product Homepage) product

www.vulncheck.com/...t-cross-site-scripting-via-video-editor (VulnCheck Advisory: PHP Melody 3.0 Persistent Cross-Site Scripting via Video Editor) third-party-advisory

cve.org (CVE-2021-47913)

nvd.nist.gov (CVE-2021-47913)

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