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K2 Extension For Joomla CVE-2026-48942

| EUVDEUVD-2026-39439 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-06-25 Joomla GHSA-5hmf-7m33-2v23
6.1
CVSS 3.1 · Vendor: Joomla
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Severity by source

Vendor (Joomla) PRIMARY
6.1 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from Vendor (Joomla) · only source for this CVE.

CVSS VectorVendor: Joomla

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

1
CVE Published
Jun 25, 2026 - 15:23 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

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

Analysis

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

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CVE-2026-48942 vulnerability details – vuln.today

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