What is CVE-2026-48942?

CVE-2026-48942 is a medium-severity vulnerability in Getk2.com K2 Extension For Joomla, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-06-25.

How severe is CVE-2026-48942?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Getk2.com K2 Extension For Joomla

CVE-2026-48942

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

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Getk2.com K2 Extension For Joomla — versions 1.0-2.26

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@joomla.org (product)

Frequently asked questions

What is CVE-2026-48942?: CVE-2026-48942 is a medium-severity vulnerability in Getk2.com K2 Extension For Joomla, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-06-25.
How severe is CVE-2026-48942?: Medium severity. CVSS v3 base score is 6.1 out of 10.