CVE-2026-21626 PUBLISHED

Extension - stackideas.com - Information disclosure in post custom fields in EasyDiscuss 1.0.0-5.0.15 for Joomla

Assigner: Joomla
Reserved: 01.01.2026 Published: 06.02.2026 Updated: 06.02.2026

Access control settings for forum post custom fields are not applied to the JSON output type, leading to an ACL violation vector an information disclosure

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
CVSS Score: 9.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Stackideas.com
Product	EasyDiscuss extension for Joomla
Versions	Default: unaffected Version 1.0.0-5.0.15 is affected

Credits

creative-graphics.ch finder
djumla.de finder

References

https://stackideas.com/easydiscuss

Problem Types

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE

Impacts

CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs