CVE-2026-48940 (GCVE-0-2026-48940)

Vulnerability from cvelistv5 – Published: 2026-06-25 15:26 – Updated: 2026-06-28 18:38
VLAI
Title
Joomla Extension - getk2.org - Stored-XSS in K2 extension for Joomla < 2.26
Summary
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.
Severity
3.4 (Low)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 18:47 UTC
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
URL Tags
https://www.getk2.org/ product
Impacted products
Vendor Product Version CPE status
getk2.org K2 extension for Joomla Affected: 1.0-2.26
guessed Create a notification for this product.
Credits
Matan Bahar Niv Kochan
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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