CVE-2021-47913CWE-79

PHP Melody 3.0 Persistent Cross-Site Scripting via Video Editor

Medium · published February 1, 2026

CVSS v4.0
5.1
EPSS
0%
Percentile
16.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
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
EPSS
0.00259 · 16.6th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-02-01T12:15Z
EPSS history
Timeline
  • 01 FEB 12:15Z
    PHP Melody 3.0 Persistent Cross-Site Scripting via Video Editor
    cvelistv5