CVE-2011-5061

Name: CVE-2011-5061
Creator: NVD / NIST
Published: 2012-01-14T03:57:27.18+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.30%

Last modified Jun 16, 2026

CVE-2011-5061 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.30% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

2.30%

81.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Whmcs	Whmcompletesolution	4.0.0
Whmcs	Whmcompletesolution	4.0.1
Whmcs	Whmcompletesolution	4.0.2
Whmcs	Whmcompletesolution	4.1.0
Whmcs	Whmcompletesolution	4.1.1
Whmcs	Whmcompletesolution	4.1.2
Whmcs	Whmcompletesolution	4.2.0
Whmcs	Whmcompletesolution	4.2.1
Whmcs	Whmcompletesolution	4.3.0
Whmcs	Whmcompletesolution	4.3.1
Whmcs	Whmcompletesolution	4.4.0
Whmcs	Whmcompletesolution	4.4.1
Whmcs	Whmcompletesolution	4.4.2
Whmcs	Whmcompletesolution	4.5.0
Whmcs	Whmcompletesolution	4.5.1
Whmcs	Whmcompletesolution	4.5.2
Whmcs	Whmcompletesolution	5.0.0
Whmcs	Whmcompletesolution	5.0.1
Whmcs	Whmcompletesolution	5.0.2
Whmcs	Whmcompletesolution	5.0.3

References

http://forum.whmcs.com/showthread.php?t=43462Patch, Vendor Advisory
http://www.webhostingtalk.com/showpost.php?p=7848685&postcount=35
http://forum.whmcs.com/showthread.php?t=43462Patch, Vendor Advisory
http://www.webhostingtalk.com/showpost.php?p=7848685&postcount=35

Timeline

Published: Jan 14, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-5061?

How severe is CVE-2011-5061?

Severity scoring for CVE-2011-5061 is pending analysis. The EPSS model estimates a 2.30% probability of exploitation in the next 30 days.

How do I fix CVE-2011-5061?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-5061?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST