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.
| Software | From | Fixed in |
|---|---|---|
| cpanel / cpanel | 11.18 | 11.18.x |
| cpanel / cpanel | 11.22 | 11.22.x |
| cpanel / cpanel | 11.18.3 | 11.18.3.x |
| cpanel / cpanel | 11.18.1 | 11.18.1.x |
| cpanel / cpanel | 11.22.1 | 11.22.1.x |
| cpanel / cpanel | 11.22.2 | 11.22.2.x |
| cpanel / cpanel | 11.18.2 | 11.18.2.x |