CVE-2026-21624CWE-79

Extension - stackideas.com - Persistent XSS in EasyDiscuss component 1.0.0-5.0.15 for Joomla

Critical · published January 16, 2026

CVSS v4.0
9.4
EPSS
0%
Percentile
8.9
In the wild
Unconfirmed
What it is

Lack of input filterung leads to a persistent XSS vulnerability in the user avatar text handling of the Easy Discuss component for Joomla.

The record
Technical detail
CVSS v4.0
9.4 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
EPSS
0.00197 · 8.9th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-01-16T15:05Z
EPSS history
Timeline
  • 16 JAN 15:05Z
    Extension - stackideas.com - Persistent XSS in EasyDiscuss component 1.0.0-5.0.15 for Joomla
    cvelistv5