CVE-2011-4813 EXPLOIT
5.0
MEDIUM · CVSS 2.0 · EPSS 2.9% (pctl 86)
Patch early
A public exploit exists.
Description
Directory traversal vulnerability in clientarea.php in WHMCompleteSolution (WHMCS) 3.x.x allows remote attackers to read arbitrary files via an invalid action and a ../ (dot dot slash) in the templatefile parameter.
Scoring
| CVSS | 5.0 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| EPSS | 2.87% — more likely to be exploited than 86% of all CVEs |
| Weakness | CWE-22 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2011-12-14 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| whmcs | whmcompletesolution |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | WHMCompleteSolution (WHMCS) 3.x - 'clientarea.php' Local File Disclosure | 2011-11-04 |
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