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CVE-2026-21625— Extension - stackideas.com - Lack of mime type validation in EasyDiscuss component 1.0.0-5.0.15 for Joomla

Quick assessment

Affected
Stackideas.com EasyDiscuss 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.

Stack Ideas EasyDiscuss是马来西亚Stack Ideas公司的一个问答与论坛组件。 Stack Ideas EasyDiscuss存在代码问题漏洞，该漏洞源于用户上传文件验证不当，可能导致任意文件上传。

AI Predicted 9.8 Difficulty: Easy EPSS 0.39% · P31
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I. Basic Information for CVE-2026-21625

Vulnerability Information
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Vulnerability Title
Extension - stackideas.com - Lack of mime type validation in EasyDiscuss component 1.0.0-5.0.15 for Joomla
Source: CVE Program / CVE List V5
Vulnerability Description
User provided uploads to the Easy Discuss component for Joomla aren't properly validated. Uploads are purely checked by file extensions, no mime type checks are happening.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
Stack Ideas EasyDiscuss 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Stack Ideas EasyDiscuss是马来西亚Stack Ideas公司的一个问答与论坛组件。 Stack Ideas EasyDiscuss存在代码问题漏洞，该漏洞源于用户上传文件验证不当，可能导致任意文件上传。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Stackideas.com EasyDiscuss extension for Joomla 1.0.0-5.0.15 -

II. Public POCs for CVE-2026-21625

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III. Intelligence Information for CVE-2026-21625

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Same Patch Batch · Stackideas.com · 2026-01-16 · 3 CVEs total

CVE-2026-21624 Extension - stackideas.com - Persistent XSS in EasyDiscuss component 1.0.0-5.0.15 for Joom
CVE-2026-21623 Extension - stackideas.com - Persistent XSS in EasyDiscuss component 1.0.0-5.0.15 for Joom

IV. Related Vulnerabilities

Same product: EasyDiscuss extension for Joomla
Same vendor: Stackideas.com
Same weakness: CWE-434

V. Comments for CVE-2026-21625

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