Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.4.0 - An authenticated, privileged can store an XSS payload in any image causing JS execution in every visitor's browser.

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
joomgalleryfriends.net JoomGallery extension for Joomla unaffected
Version Status Constraints
4.0.0-4.3.0 affected —

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.joomgalleryfriends.net/ cve-icon cve-icon
History

Sat, 22 Aug 2026 12:00:00 +0000

Type Values Removed Values Added
Description Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.3.1 - An authenticated, privileged can store an XSS payload in any image causing JS execution in every visitor's browser. Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.4.0 - An authenticated, privileged can store an XSS payload in any image causing JS execution in every visitor's browser.
Title Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.3.1 Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.4.0

Sat, 22 Aug 2026 11:30:00 +0000

Type Values Removed Values Added
Description Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.3.1 - An authenticated, privileged can store an XSS payload in any image causing JS execution in every visitor's browser.
Title Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.3.1
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Joomla

Published:

Updated: 2026-08-22T11:50:13.069Z

Reserved: 2026-07-28T12:39:05.160Z

Link: CVE-2026-66917

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-22T12:16:25.680

Modified: 2026-08-22T12:16:25.680

Link: CVE-2026-66917

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-22T12:30:16Z

Weaknesses