Gokapi: Stored XSS in SVG Hotlinks
Priority LOW 39CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00205 10th percentileScored 2026-11-07
Fix Fixed Gokapi (Forceu): 2.2.3github.com/forceu/gokapi (Go): 2.2.3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| Forceu | Gokapi | before 2.2.3 | 2.2.3 | Patch available | CNA |
| — | github.com/forceu/gokapi (Go) | before 2.2.3 | 2.2.3 | Patch available | GHSA-3c22-5j5m-4jq7 |
- Gokapi VendorForceu Affected before 2.2.3 Fixed in 2.2.3 Patch available CNA
- github.com/forceu/gokapi (Go) Vendor— Affected before 2.2.3 Fixed in 2.2.3 Patch available GHSA-3c22-5j5m-4jq7
Remediation
- Fix · CNA Gokapi (Forceu) Fixed in 2.2.3
- Fix · GHSA-3c22-5j5m-4jq7 github.com/forceu/gokapi (Go) Fixed in 2.2.3 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-28683
- 2026-10-03 Alias added: GHSA-3c22-5j5m-4jq7
References
More Forceu Gokapi vulnerabilities
- TI-2026-23780 Gokapi vulnerable to DoS in E2E Metadata Parser CVSS 3.1MEDIUM 6.5
- TI-2026-22897 Gokapi: Data Leak in Upload Status Stream CVSS 3.1MEDIUM 6.4
- TI-2026-23206 Gokapi: Privilege escalation via incomplete API-key permission revocation on user rank demotion CVSS 3.1MEDIUM 5.4
- TI-2026-23205 Gokapi: Privilege escalation with auth token CVSS 3.1MEDIUM 5.0
- TI-2025-30774 Gokapi has stored XSS vulnerability in friendly name for API keys CVSS 4.0MEDIUM 4.8
- TI-2025-30773 Gokapi vulnerable to stored XSS via uploading file with malicious file name CVSS 4.0MEDIUM 4.8
Sources
- CVE-2026-28683 · CVE Program
- CVE-2026-28683 · NVD
- FIRST EPSS
- GHSA-3c22-5j5m-4jq7 · 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