CVE-2021-47913
PHP Melody 3.0 Persistent Cross-Site Scripting via Video Editor
MEDIUM 5.1EPSS 0.3%
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
- PHPSUGAR · PHP Melody
- CVSS v4.0 VULNCHECK
- 5.1 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS v3.1 NVD
- 5.4 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS v3.1 VULNCHECK
- 6.4 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - EPSS
- 0.26% chance of exploitation in the next 30 days, 17th percentile
- Published
- 2026-02-01
- Updated
- 2026-03-05
Proof-of-concept exploits (1)
Security advisories
- https://www.phpsugar.com/blog/2021/09/php-melody-3-0-vulnerability-report-fix
- https://www.vulncheck.com/advisories/php-melody-persistent-cross-site-scripting-via-video…
- https://www.phpsugar.com/phpmelody.html