GitHub Advisoryadvisory · Go

GHSA-95rc-wc32-gm53 Gokapi vulnerable to stored XSS via uploading file with malicious file name

MEDIUM Published 2025-06-03 Modified 2025-08-26 Official page ↗
Aliases
CVE-2025-48494
Ecosystem
Go
Packages
github.com/forceu/gokapi
Severity
Moderate
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:L
Weaknesses
CWE-79, CWE-87
Reviewed
2025-06-03

Affected packages

• Go github.com/forceu/gokapi: >= 1.0.1, <= 1.9.6 (no fix yet) • Go github.com/forceu/gokapi: < 0.0.0-20250530191232-343cc566cfd7 → fixed in 0.0.0-20250530191232-343cc566cfd7

Description

Impact When using end-to-end encryption, a stored XSS vulnerability can be exploited by uploading a file with JavaScript code embedded in the filename. After upload and every time someone opens the upload list, the script is then parsed. With the affected versions <v2.0, there was no user permission system implemented, therefore all authenticated users were already able to see and modify all resources, even if end-to-end encrypted, as the encryption key had to be the same for all users with <v2.0. Nethertheless with XSS, other attack vectors like redirection or crypto mining would be possble. Patches This CVE has been fixed in v2.0.0 Workarounds If you are the only authenticated user using Gokapi, you are not affected. A workaround would be to disable end-to-end encryption.

Related

Alias · CVE (1)

  • CVE-2025-48494 Gokapi is a self-hosted file sharing server with automatic expiration and encryption support. vulnerability

Weakness · CWE (2)

  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness
  • CWE-87 Improper Neutralization of Alternate XSS Syntax weakness

References