RCE in Xmlhttprequest Project

CVE-2020-28502

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.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.046 (90.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-28502?
CVE-2020-28502 is a high-severity vulnerability in Xmlhttprequest Project, classified under Code Injection. CVSS score: 8.1/10. Published 2021-03-05.
How severe is CVE-2020-28502?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2020-28502 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.