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CVE-2026-88856— Joomla Extension - OrdaSoft.com - Authenticated, Privileged Remote Code Execution in OrdaSoft Joomla Gallery extension for Joomla < 6.2.7

Quick assessment

Affected
OrdaSoft.com OrdaSoft Joomla Gallery free 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 - OrdaSoft.com - OrdaSoft Joomla 图库扩展（Joomla < 6.2.7）存在已认证的、具备特权的远程代码执行漏洞 - 该扩展的 updateOSGallery() 函数（可通过 task=update_osgallery 参数访问）会读取 JSON 请求体，并将其中 method 字段的值直接作为实时 PHP 函数调用，同时将 package 字段的值作为该函数的唯一参数传递。该过程中未实施任何白名单机制或 is_callable() 检查。因此，任何接受单个参

CVSS 9.4 · Critical

Affected Version Matrix 2

VendorProduct Version RangeStatus
OrdaSoft.com OrdaSoft Joomla Gallery extension for Joomla 1.0.0-6.2.6 affected
OrdaSoft.com OrdaSoft Joomla Gallery free extension for Joomla 1.0.0-6.2.6 affected
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I. Basic Information for CVE-2026-88856

Vulnerability Information
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Vulnerability Title
Joomla Extension - OrdaSoft.com - Authenticated, Privileged Remote Code Execution in OrdaSoft Joomla Gallery extension for Joomla < 6.2.7
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - OrdaSoft.com - Authenticated, Privileged Remote Code Execution in OrdaSoft Joomla Gallery extension for Joomla < 6.2.7 - The extensions updateOSGallery(), reached via task=update_osgallery, read a JSON request body and called the value of a method field as a live PHP function, passing the value of a package field as its single argument, with no allow-list or is_callable() check of any kind. Any function name compatible with a single argument was directly reachable, including system, exec, shell_exec, and passthru.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
OrdaSoft.com OrdaSoft Joomla Gallery free extension for Joomla 1.0.0-6.2.6 -
OrdaSoft.com OrdaSoft Joomla Gallery extension for Joomla 1.0.0-6.2.6 -

II. Public POCs for CVE-2026-88856

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III. Intelligence Information for CVE-2026-88856

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Other References for CVE-2026-88856 (1)

Same Patch Batch · OrdaSoft.com · 2026-09-20 · 4 CVEs total

CVE-2026-88857 9.4 CRITICAL Joomla Extension - OrdaSoft.com - Authenticated, Privileged Remote Code Execution in OrdaS
CVE-2026-88854 9.3 CRITICAL Joomla Extension - OrdaSoft.com - Unauthenticated SQL Injection in OrdaSoft Joomla Gallery
CVE-2026-88855 8.6 HIGH Joomla Extension - OrdaSoft.com - Authenticated, Privileged SQL Injection in OrdaSoft Joom

IV. Related Vulnerabilities

Same product: OrdaSoft Joomla Gallery free extension for Joomla
Same vendor: OrdaSoft.com
Same weakness: CWE-94

V. Comments for CVE-2026-88856

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