Vulnerability-Lookup

CVE-2026-48942 (GCVE-0-2026-48942)

Vulnerability from cvelistv5 – Published: 2026-06-25 15:23 – Updated: 2026-06-25 17:00

Title

Joomla Extension - getk2.com - Stored-XSS in K2 extension for Joomla < 2.26

Summary

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

Severity

6.1 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

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

Assigner

Joomla

References

1 reference

URL	Tags
https://www.getk2.org/	product

Impacted products

1 product

Vendor	Product	Version
getk2.com	K2 extension for Joomla	Affected: 1.0-2.26

Credits

Matan Bahar Niv Kochan

Show details on NVD website

JSON

To clipboard

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              "baseScore": 6.1,
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              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "CHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
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          "url": "https://www.getk2.org/"
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      "source": {
        "discovery": "UNKNOWN"
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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.

Detection rules are retrieved from Rulezet.

Action not permitted

CVE-2026-48942 (GCVE-0-2026-48942)

GHSA-5HMF-7M33-2V23

Tags

Sightings

Nomenclature