CVE-2019-9041

An issue was discovered in ZZZCMS zzzphp V1.6.1. In the inc/zzz_template.php file, the parserIfLabel() functions filtering is not strict, resulting in PHP code execution, as demonstrated by the if:assert substring.

Weakness

The product constructs all or part of an expression language (EL) statement in a framework such as a Java Server Page (JSP) using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended EL statement before it is executed.

Affected Software

Potential Mitigations

• If user-controlled data must be added to an expression interpreter, one or more of the following should be performed:

References

• http://www.iwantacve.cn/index.php/archives/118/
• https://www.exploit-db.com/exploits/46454/