CVE-2026-22257 HIGH

CVE-2026-22257: Salvo is vulnerable to stored XSS in the list_html function by uploading files with malicious names

Vendor Salvo-Rs
Product salvo
Weakness CWE-79 · XSS
Published January 8, 2026
Last update January 8, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:L

What the vulnerability does

01Description

Salvo is a Rust web backend framework. Prior to version 0.88.1, the function list_html generates a file view of a folder without sanitizing the files or folders names, this may potentially lead to XSS in cases where a website allow the access to public files using this feature and anyone can upload a file. This issue has been patched in version 0.88.1.

Key dates

02Disclosure timeline

January 8, 2026 CVE published
January 8, 2026 Record updated