CVE-2026-28683: Gokapi: Stored XSS in SVG Hotlinks

Severity: high (CVSS 8.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-06 · updated 2026-06-17
Weakness: CWE-79

Description

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.

Affected products

Forceu Gokapi: before 2.2.3 — fixed in 2.2.3

How to fix

Upgrade to a fixed version: Forceu Gokapi 2.2.3. Check the vendor advisory for mitigations.

References

https://github.com/Forceu/Gokapi/releases/tag/v2.2.3
https://github.com/Forceu/Gokapi/security/advisories/GHSA-3c22-5j5m-4jq7

Get alerted when CVE-2026-28683 or the next vulnerability affects your stack