CVE-2013-10051
CRITICALCVSS v3
9.8
CRITICAL
EPSS Score
75.8%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A remote PHP code execution vulnerability exists in InstantCMS version 1.6 and earlier due to unsafe use of eval() within the search view handler. Specifically, user-supplied input passed via the look parameter is concatenated into a PHP expression and executed without proper sanitation. A remote attacker can exploit this flaw by sending a crafted HTTP GET request with a base64-encoded payload in the Cmd header, resulting in arbitrary PHP code execution within the context of the web server.
Technical Details
- Published
- 8/1/2025
Frequently Asked Questions
What is CVE-2013-10051?
A remote PHP code execution vulnerability exists in InstantCMS version 1.6 and earlier due to unsafe use of eval() within the search view handler. Specifically, user-supplied input passed via the look parameter is concatenated into a PHP expression and executed without proper sanitation. A remote attacker can exploit this flaw by sending a crafted HTTP GET request with a base64-encoded payload in the Cmd header, resulting in arbitrary PHP code execution within the context of the web server.
Is CVE-2013-10051 actively exploited?
Active exploitation of CVE-2013-10051 has not been confirmed. The EPSS score is 75.8%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2013-10051?
CVE-2013-10051 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2013-10051 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.