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Vulnerability record · CVE-2026-21626 · published 6 February 2026

CVE-2026-21626: Stackideas easydiscuss information exposure vulnerability

Stackideas · Easydiscuss

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

9.2 CVSS 4.0 Critical EPSS 0.39% · top 69.3% CWE-200 · Information exposure
9.2CVSS 4.0 base score
0.39%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

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

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://stackideas.com/easydiscuss Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.4CVE-2026-21623Stackideas easydiscuss cross-site scripting vulnerabilityLack of input filterung leads to a persistent XSS vulnerability in the forum post handling of the Easy Discuss component for Joomla.EPSS 0.20%9.4CVE-2026-21624Stackideas easydiscuss cross-site scripting vulnerabilityLack of input filterung leads to a persistent XSS vulnerability in the user avatar text handling of the Easy Discuss component for Joomla.EPSS 0.20%7.5CVE-2023-51810Stackideas easydiscuss sql injection vulnerabilitySQL injection vulnerability in StackIdeas EasyDiscuss v.5.0.5 and fixed in v.5.0.10 allows a remote attacker to obtain sensitive information via a cr…EPSS 1.1%5.4CVE-2018-5263Stackideas easydiscuss cross-site scripting vulnerabilityThe StackIdeas EasyDiscuss (aka com_easydiscuss) extension before 4.0.21 for Joomla! allows XSS.EPSS 1.6%4.8CVE-2026-21625Stackideas easydiscuss unrestricted file upload vulnerabilityUser provided uploads to the Easy Discuss component for Joomla aren't properly validated. Uploads are purely checked by file extensions, no mime type…EPSS 0.39%5.9CVE-2025-68686FortiOS symbolic link patch bypass exposes sensitive informationFortiOS contains an information exposure flaw (CWE-200) that lets a remote unauthenticated attacker bypass the patch for the symbolic link persistenc…KEVEPSS 30%analysed7.5CVE-2026-20133Cisco Catalyst SD-WAN Manager insufficient file system restrictions expose dataCisco Catalyst SD-WAN Software has insufficient file system restrictions that let an attacker read sensitive files on the underlying operating system…KEVEPSS 32%analysed7.5CVE-2025-31125Vite dev server improper access control exposes arbitrary filesVite's dev server fails to restrict file access when a request uses the ?inline&import or ?raw?import query patterns, allowing content of files that …KEVEPSS 65%analysed

Source: NIST National Vulnerability Database (record CVE-2026-21626), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.