Description
The WHM interface 11.15.0 for cPanel 11.18 before 11.18.4 and 11.22 before 11.22.3 allows remote attackers to bypass XSS protection and inject arbitrary script or HTML via repeated, improperly-ordered "<" and ">" characters in the (1) issue parameter to scripts2/knowlegebase, (2) user parameter to scripts2/changeip, (3) search parameter to scripts2/listaccts, and other unspecified vectors.
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 3
- cPanel 11.x - '/scripts2/knowlegebase?issue' Cross-Site Scripting EDB-31771 · webapps · May 9, 2008 · verified
- cPanel 11.x - '/scripts2/changeip?user' Cross-Site Scripting EDB-31772 · webapps · May 9, 2008 · verified
- cPanel 11.x - '/scripts2/listaccts?search' Cross-Site Scripting EDB-31773 · webapps · May 9, 2008 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- http://changelog.cpanel.net/?revision=0%3Btree=%3Btreeview=%3Bshow=html%3Bpp=25%3Bte=1314%3Bpg=2
- cpanel-whminterface-xss(42305) vdb-entry
- 20080509 XSS and CSRF vulnerability on Cpanel 11 mailing-list
- ADV-2008-1522 vdb-entry
- 3866 third-party-advisory
- 20080509 XSS and CSRF vulnerability on cPanel 11 mailing-list
- 29125 vdb-entry
- 30166 third-party-advisory