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.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Sage 1.3.6 - Input Validation EDB-28501 · remote · Sep 8, 2006 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 20061118 Sage cross-context scripting -> LOCAL-CONTEXT SCRIPTING mailing-list
- http://michaeldaw.org/md-hacks/rss-injection-in-sage-part-2/
- ADV-2006-4426 vdb-entry
- sage-img-xss(30179) vdb-entry
- 22809 third-party-advisory