CVE-2020-28502

CRITICAL9.8EPSS 17.4%

xmlhttprequest and xmlhttprequest-ssl vulnerable to Arbitrary Code Injection

Published: 5/4/2021Modified: 4/28/2026

Description

This affects the package xmlhttprequest before 1.7.0; all versions of package xmlhttprequest-ssl. Provided requests are sent synchronously (async=False on xhr.open), malicious user input flowing into xhr.send could result in arbitrary code being injected and run.

Affected packages (3)

CVSS scores

SourceVersionSeverityVector
osvCVSS 3.1CRITICAL9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (11)