XSS in Forceu Gokapi
CVE-2026-28683
Gokapi is a self-hosted file sharing server with automatic expiration and encryption support. Prior to version 2.2.3, if a malicious authenticated user uploads SVG and creates a hotlink for it, they can achieve stored XSS. This issue has been patched in version 2.2.3.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.002 (13.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.001
Affected products
- Forceu Gokapi — versions < 2.2.3
Weakness classification (CWE)
References
- github.com/Forceu/Gokapi/security/advisories/GHSA-3c22-5j5m-4jq7 (Vendor Advisory)
- github.com/Forceu/Gokapi/releases/tag/v2.2.3 (Release Notes)
Frequently asked questions
- What is CVE-2026-28683?
- CVE-2026-28683 is a high-severity vulnerability in Forceu Gokapi, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2026-03-06.
- How severe is CVE-2026-28683?
- High severity. CVSS v3 base score is 8.7 out of 10.