Vulnerability DatabaseCVE-2026-72583
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CVE-2026-72583
Published:August 10, 2026
Updated:August 31, 2026
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 Resources (4)
https://nvd.nist.gov/vuln/detail/CVE-2026-72583
https://github.com/fastschema/fastschema
https://github.com/fastschema/fastschema/blob/main/pkg/rclonefs/base.go
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72583.json
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CVSS v4
Base Score:
5.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79
EPSS
Base Score:
0.15