High (8.1) in xmlhttprequest project xmlhttprequest. EPSS 4.6% chance of exploitation in the next 30 days. Fixed in xmlhttprequest 1.7.0.
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.
Severity
CVSS 3.1
8.1 high
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
4.6% chance of exploitation in the next 30 days; higher than 91% of CVEs (scores of 2026-10-31)