Extension - stackideas.com - Lack of mime type validation in EasyDiscuss component 1.0.0-5.0.15 for Joomla
Priority LOW 22CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00385 32nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Stackideas.com | EasyDiscuss extension for Joomla | 1.0.0-5.0.15 | — | No fix listed | CNA |
- EasyDiscuss extension for Joomla VendorStackideas.com Affected 1.0.0-5.0.15 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:stackideas:easydiscuss:*:*:*:*:*:joomla\!:*:* | 1.0.0 – 5.0.15 | Vulnerable | Stackideas.com |
- cpe:2.3:a:stackideas:easydiscuss:*:*:*:*:*:joomla\!:*:* Versions 1.0.0 – 5.0.15 Vulnerable ·Stackideas.com
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-21625
- 2026-10-03 Alias added: GHSA-9ff2-h59x-3rvx
References
Advisory 1
More Stackideas.com Easydiscuss vulnerabilities
- TI-2026-17418 Extension - stackideas.com - Information disclosure in post custom fields in EasyDiscuss 1.0.0-5.0.15 for Joomla CVSS 4.0CRITICAL 9.2
- TI-2026-17416 Extension - stackideas.com - Persistent XSS in EasyDiscuss component 1.0.0-5.0.15 for Joomla CVSS 4.0CRITICAL 9.4
- TI-2026-17415 Extension - stackideas.com - Persistent XSS in EasyDiscuss component 1.0.0-5.0.15 for Joomla CVSS 4.0CRITICAL 9.4
- TI-2023-28432 SQL injection vulnerability in StackIdeas EasyDiscuss v.5.0.5 and fixed in v.5.0.10… CVSS 3.1HIGH 7.5
- TI-2018-03816 The StackIdeas EasyDiscuss (aka com_easydiscuss) extension before 4.0.21 for Joomla! allows XSS. CVSS 3.0MEDIUM 5.4
Sources
- CVE-2026-21625 · CVE Program
- CVE-2026-21625 · NVD
- FIRST EPSS
- GHSA-9ff2-h59x-3rvx · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences