functions.php in WHMCompleteSolution (WHMCS) 4.0.x through 5.0.x allows remote attackers to trigger arbitrary code execution in the Smarty templating system by submitting a crafted ticket, related to improper handling of characters in the subject field.
Product
whmcs whmcompletesolution vulnerabilities
3 published CVES affecting whmcs whmcompletesolution, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 3
- Critical
- 0
- High
- 1
- Medium
- 2
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Latest whmcs whmcompletesolution CVEs
Newest publication first
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HighCVSS 7.5 EPSS 2.2%
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MediumCVSS 5.0 EPSS 6.2% Public exploit
Multiple directory traversal vulnerabilities in WHMCompleteSolution (WHMCS) 3.x and 4.x allow remote attackers to read arbitrary files via the templatefile parameter to (1) submitticket.php and (2) downloads.php, and (3) the report parameter to admin/reports.php.
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MediumCVSS 5.0 EPSS 2.8% Public exploit
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.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.