CVE-2026-21626
Access Control Bypass in Joomla Forum Post JSON Causes Data Leak
Publication date: 2026-02-06
Last updated on: 2026-02-18
Assigner: Joomla! Project
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| stackideas | easydiscuss | From 1.0.0 (inc) to 5.0.15 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-200 | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves the access control settings for forum post custom fields in EasyDiscuss not being applied to the JSON output type. This means that the access control list (ACL) restrictions intended to protect certain data are bypassed when the data is output in JSON format, leading to unauthorized access to information.
How can this vulnerability impact me? :
The vulnerability can lead to an information disclosure where sensitive or restricted data from forum post custom fields may be exposed to unauthorized users. Since the ACL protections are not enforced on JSON outputs, attackers or unauthorized users could access data they should not have permission to see, potentially compromising privacy and security.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know