CVE-2026-48942 | K2 ≤ 2.26 renders the `#__k2_users.image` column directly in… | CVSS 6.1 MEDIUM

Description

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

CVE ID: CVE-2026-48942
State: PUBLISHED
Assigner: Joomla
Reserved: 2026-05-26 16:47 UTC
Published: 2026-06-25 15:23 UTC
Last updated: 2026-06-25 17:00 UTC
Primary CWE: CWE-79
CWE-79 Improper Neutralization of Input During Web Page Gene…
Vendor / Product: getk2.com / K2 extension for Joomla
Sources: cve.org · NVD

6.1 MEDIUM CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

SSVC — CISA Coordinator

Affected products (1)

Vendor	Product	Platform	Versions
getk2.com	K2 extension for Joomla	—	1.0-2.26

Weakness (CWE)

CWE	Source	Description
CWE-79	cna	CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSS scores (1)

Score	Severity	Version	Source	Vector
6.1	MEDIUM	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References (1)