CVE-2010-2477: Pythonpaste Paste

Medium severity, CVSS 4.3. EPSS: 2.3% chance of exploitation in the next 30 days.

Multiple cross-site scripting (XSS) vulnerabilities in the paste.httpexceptions implementation in Paste before 1.7.4 allow remote attackers to inject arbitrary web script or HTML via vectors involving a 404 status code, related to (1) paste.urlparser.StaticURLParser, (2) paste.urlparser.PkgResourcesParser, (3) paste.urlmap.URLMap, and (4) HTTPNotFound.

Affected products

• Pythonpaste Paste: up to and including 1.7.3.1; version 0.1.0 only; version 0.3 only; version 0.4.1 only; version 0.5 only; version 0.9.1 only; …

Published 2010-11-06. Last modified 2026-06-16.