Joomla Extension - getk2.com - Stored-XSS in K2 extension for Joomla < 2.26
Summary
| CVE | CVE-2026-48942 |
|---|---|
| State | PUBLISHED |
| Assigner | Joomla |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-25 16:16:36 UTC |
| Updated | 2026-06-25 19:14:05 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 6.1 MEDIUM from ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | ADP | DECLARED | 6.1 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 6.1 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
ChangedConfidentiality
LowIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Getk2.com | K2 Extension For Joomla | affected 1.0-2.26 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.getk2.org | [email protected] | www.getk2.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Matan Bahar (en)
CNA: Niv Kochan (en)
There are currently no legacy QID mappings associated with this CVE.