Paste is vulnerable to Cross-site Scripting via vectors involving a 404 status code
Published Nov 5, 2010 · Updated Nov 3, 2026
Original summary
Normalized public record · Updated Nov 3, 2026
Paste is vulnerable to Cross-site Scripting via vectors involving a 404 status code
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
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.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- pylonshq.com ↗
- bitbucket.org ↗
- 41160 ↗
- groups.google.com ↗
- 42500 ↗
- USN-1026-1 ↗
- [pylons-discuss] 20100624 Paste 1.7.4, security fix for XSS hole ↗
- [oss-security] 20100629 CVE request: XSS in python paste ↗
- [oss-security] 20100630 Re: CVE request: XSS in python paste ↗
Record history
Published Nov 5, 2010 · Last refreshed Nov 3, 2026