Arbitrary file upload in Stackideas Easydiscuss
CVE-2026-21625
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.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (30.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Stackideas Easydiscuss
- Stackideas.com Easydiscuss Extension For Joomla — versions 1.0.0-5.0.15
Weakness classification (CWE)
References
- stackideas.com/easydiscuss (product, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-21625?
- CVE-2026-21625 is a high-severity vulnerability in Stackideas Easydiscuss, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-01-16.
- How severe is CVE-2026-21625?
- High severity. CVSS v3 base score is 8.8 out of 10.