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TI-2011-04338 Aliases CVE-2011-5061GHSA-2r7q-76h8-63hq

functions.php in WHMCompleteSolution (WHMCS) 4.0.x through 5.0.x allows remote attackers…

Priority LOW 37CWE-94Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-94.

Summary

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.

Why it matters now

EPSS 0.02202 82nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 23

CPEVersionsRoleVendor
cpe:2.3:a:whmcs:whmcompletesolution:4.0.0:*:*:*:*:*:*:*4.0.0VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:4.0.1:*:*:*:*:*:*:*4.0.1VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:4.0.2:*:*:*:*:*:*:*4.0.2VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:4.1.0:*:*:*:*:*:*:*4.1.0VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:4.1.1:*:*:*:*:*:*:*4.1.1VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:4.1.2:*:*:*:*:*:*:*4.1.2VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:4.2.0:*:*:*:*:*:*:*4.2.0VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:4.2.0:beta_r1:*:*:*:*:*:*4.2.0 beta_r1VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:4.2.0:beta_r2:*:*:*:*:*:*4.2.0 beta_r2VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:4.2.0:beta_r3:*:*:*:*:*:*4.2.0 beta_r3VulnerableWhmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:4.0.0:*:*:*:*:*:*:* Versions 4.0.0 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:4.0.1:*:*:*:*:*:*:* Versions 4.0.1 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:4.0.2:*:*:*:*:*:*:* Versions 4.0.2 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:4.1.0:*:*:*:*:*:*:* Versions 4.1.0 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:4.1.1:*:*:*:*:*:*:* Versions 4.1.1 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:4.1.2:*:*:*:*:*:*:* Versions 4.1.2 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:4.2.0:*:*:*:*:*:*:* Versions 4.2.0 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:4.2.0:beta_r1:*:*:*:*:*:* Versions 4.2.0 beta_r1 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:4.2.0:beta_r2:*:*:*:*:*:* Versions 4.2.0 beta_r2 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:4.2.0:beta_r3:*:*:*:*:*:* Versions 4.2.0 beta_r3 Vulnerable ·Whmcs
Show 13 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:whmcs:whmcompletesolution:4.2.1:*:*:*:*:*:*:*4.2.1VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:4.3.0:*:*:*:*:*:*:*4.3.0VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:4.3.1:*:*:*:*:*:*:*4.3.1VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:4.4.0:*:*:*:*:*:*:*4.4.0VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:4.4.1:*:*:*:*:*:*:*4.4.1VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:4.4.2:*:*:*:*:*:*:*4.4.2VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:4.5.0:*:*:*:*:*:*:*4.5.0VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:4.5.1:*:*:*:*:*:*:*4.5.1VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:4.5.2:*:*:*:*:*:*:*4.5.2VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:5.0.0:*:*:*:*:*:*:*5.0.0VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:5.0.1:*:*:*:*:*:*:*5.0.1VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:5.0.2:*:*:*:*:*:*:*5.0.2VulnerableWhmcs
cpe:2.3:a:whmcs:whmcompletesolution:5.0.3:*:*:*:*:*:*:*5.0.3VulnerableWhmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:4.2.1:*:*:*:*:*:*:* Versions 4.2.1 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:4.3.0:*:*:*:*:*:*:* Versions 4.3.0 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:4.3.1:*:*:*:*:*:*:* Versions 4.3.1 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:4.4.0:*:*:*:*:*:*:* Versions 4.4.0 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:4.4.1:*:*:*:*:*:*:* Versions 4.4.1 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:4.4.2:*:*:*:*:*:*:* Versions 4.4.2 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:4.5.0:*:*:*:*:*:*:* Versions 4.5.0 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:4.5.1:*:*:*:*:*:*:* Versions 4.5.1 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:4.5.2:*:*:*:*:*:*:* Versions 4.5.2 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:5.0.0:*:*:*:*:*:*:* Versions 5.0.0 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:5.0.1:*:*:*:*:*:*:* Versions 5.0.1 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:5.0.2:*:*:*:*:*:*:* Versions 5.0.2 Vulnerable ·Whmcs
  • cpe:2.3:a:whmcs:whmcompletesolution:5.0.3:*:*:*:*:*:*:* Versions 5.0.3 Vulnerable ·Whmcs

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-5061
  2. 2026-10-03 Alias added: GHSA-2r7q-76h8-63hq

References

Patch 1

Other 1

  • TI-2011-04138 Multiple directory traversal vulnerabilities in WHMCompleteSolution (WHMCS) 3.x and 4.x… CVSS 2.0MEDIUM 5.0
  • TI-2011-04141 Directory traversal vulnerability in clientarea.php in WHMCompleteSolution (WHMCS) 3.x.x… CVSS 2.0MEDIUM 5.0
  • TI-2012-00638 submitticket.php in WHMCompleteSolution (WHMCS) 5.03 allows remote attackers to inject… CVSS 2.0MEDIUM 5.0

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences