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

Published Jan 16, 2026
·
Updated

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.

Affected Software

3 affected components
StackIdeas EasyDiscuss>=1.0.0<5.0.15
joomla/joomla
StackIdeas Easydiscuss Joomla\!>=1.0.0<=5.0.15

Event History

Jan 16, 2026
CVE Published
via MITRE·03:06 PM
Data Sourced
via MITRE·03:06 PM
DescriptionWeakness
Data Sourced
via NVD·03:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-21625?

CVE-2026-21625 has a high severity due to the lack of proper mime type validation, allowing potential malicious file uploads.

2

How do I fix CVE-2026-21625?

Fix CVE-2026-21625 by updating the EasyDiscuss component to a version later than 5.0.15, which includes proper mime type validation.

3

What are the risks associated with CVE-2026-21625?

The risks of CVE-2026-21625 include the potential for unauthorized execution of arbitrary code through the upload of malicious files.

4

Who is affected by CVE-2026-21625?

Users of the EasyDiscuss component for Joomla versions 1.0.0 to 5.0.15 are affected by CVE-2026-21625.

5

What should I do if I cannot update my EasyDiscuss component for CVE-2026-21625?

If you cannot update, consider disabling user file uploads until a safe version can be implemented to mitigate risks.

Contact

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