CVE-2020-28502

PoC ×4—

CVSS 3.1

8.1 high

EPSS

5%p91

Published

Mar 5, 2021 (Mar 5, 2021)

Modified

Jun 17, 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.

Vendors: xmlhttprequest project
Products: xmlhttprequest
Weakness: CWE-94
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (4.6%)

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