CVE-2026-48942CWE-79

Joomla Extension - getk2.org - Stored-XSS in K2 extension for Joomla < 2.26

Medium · published June 25, 2026

CVSS v3.1
6.1
EPSS
0%
Percentile
15.9
In the wild
Unconfirmed
What it is

K2 ≤ 2.26 renders the `#__k2_users.image` column directly into HTML `src` attributes via two distinct templates, in both cases without HTML escaping.

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00253 · 15.9th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-06-25T15:23Z
EPSS history
Timeline
  • 25 JUN 15:23Z
    Joomla Extension - getk2.org - Stored-XSS in K2 extension for Joomla < 2.26
    cvelistv5