Description
Horde IMP 4.0.4 and earlier does not sanitize strings containing UTF16 null characters, which allows remote attackers to conduct cross-site scripting (XSS) attacks via UTF16 encoded attachments and strings that will be executed when viewed using Internet Explorer, which ignores the characters.
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
- Horde IMP 2.2.x/3.2.x/4.0.x - Email Attachments HTML Injection EDB-26741 · remote · Dec 6, 2005 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 232 third-party-advisory
- imp-email-attachment-xss(23465) vdb-entry
- 15730 vdb-entry
- 17910 third-party-advisory
- 20051206 Horde IMP Webmail Client XSS all versions mailing-list
- ADV-2005-2773 vdb-entry
- 1015315 vdb-entry