CVE-2026-48940 - Vulnerability Details - OpenCVE

A Joomla user with K2 "create item" rights (Author tier by default) can submit an article whose `embedVideo` POST field contains a raw `<script>` tag; K2 stores it verbatim and renders it unescaped to any visitor of the article page.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products

References

Link	Providers
https://www.getk2.org/

History

Thu, 25 Jun 2026 19:30:00 +0000

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 3.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 25 Jun 2026 15:45:00 +0000

Type	Values Removed	Values Added
Description		A Joomla user with K2 "create item" rights (Author tier by default) can submit an article whose `embedVideo` POST field contains a raw `<script>` tag; K2 stores it verbatim and renders it unescaped to any visitor of the article page.
Title		Joomla Extension - getk2.com - Stored-XSS in K2 extension for Joomla < 2.26
Weaknesses		CWE-79
References		https://www.getk2.org/

MITRE

Status: PUBLISHED

Assigner: Joomla

Published: 2026-06-25T15:26:27.174Z

Updated: 2026-06-25T18:47:31.383Z

Reserved: 2026-05-26T16:47:13.550Z

Link: CVE-2026-48940

Vulnrichment

Updated: 2026-06-25T18:47:01.438Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-06-25T16:15:15Z

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