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CVE-2026-66916— Joomla Extension - joomgalleryfriends.net - Password-Protected Category Bypass via JSON Format in JoomGallery < 4.4.0

Quick assessment

Affected
joomgalleryfriends.net JoomGallery extension for Joomla
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Joomla 扩展 - joomgalleryfriends.net - JoomGallery < 4.3.1 版本中通过 JSON 格式绕过密码保护类别的漏洞 - 在 JoomGallery 的类别 JSON 视图中存在未经验证的访问控制绕过漏洞。当某个画廊类别被设置为密码保护时，HTML 视图会正确地强制执行密码验证；然而，JSON 视图（使用 format=json 参数）完全跳过了这一安全检查。

CVSS 6.9 · Medium EPSS 0.43% · P36

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
joomgalleryfriends.net JoomGallery extension for Joomla 4.0.0-4.3.0 affected
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I. Basic Information for CVE-2026-66916

Vulnerability Information
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Vulnerability Title
Joomla Extension - joomgalleryfriends.net - Password-Protected Category Bypass via JSON Format in JoomGallery < 4.4.0
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - joomgalleryfriends.net - Password-Protected Category Bypass via JSON Format in JoomGallery < 4.4.0- An unauthenticated access control bypass exists in JoomGallery's category JSON view. When a gallery category is protected with a password, the HTML view correctly enforces the password gate - but the JSON view ( format=json ) skips this check entirely.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
joomgalleryfriends.net JoomGallery extension for Joomla 4.0.0-4.3.0 -

II. Public POCs for CVE-2026-66916

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III. Intelligence Information for CVE-2026-66916

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Other References for CVE-2026-66916 (1)

IV. Related Vulnerabilities

Same product: JoomGallery extension for Joomla
Same vendor: joomgalleryfriends.net
Same weakness: CWE-284

V. Comments for CVE-2026-66916

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