CVE-2026-72583

Published: Aug 10, 2026Modified: Aug 28, 2026Deferred

5.4

Vector

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

Exploitability: 2.3 / Impact: 2.7

Source: 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (Secondary)

Description

A stored cross-site scripting (XSS) vulnerability in fastschema through v0.15.1 allows a low-privileged authenticated user to upload an SVG file containing malicious JavaScript by bypassing the MIME type allow-list check.

Related CWEs

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (2)

https://github.com/fastschema/fastschema

Source: 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c

https://github.com/fastschema/fastschema/blob/main/pkg/rclonefs/base.go

Source: 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c

Timeline

No history available yet.