High severity8.8OSV Advisory· Published Nov 25, 2018· Updated Jun 17, 2026

CVE-2018-19520

Description

An issue was discovered in SDCMS 1.6 with PHP 5.x. app/admin/controller/themecontroller.php uses a check_bad function in an attempt to block certain PHP functions such as eval, but does not prevent use of preg_replace 'e' calls, allowing users to execute arbitrary code by leveraging access to admin template management.

Affected products

PHP/PHPOSV
Laike9m/Sdcmsllm-fuzzy
Range: =1.6

Patches

Vulnerability mechanics

References

blog.whiterabbitxyj.com/cve/SDCMS_1.6_code_execution.docnvdExploitThird Party Advisory
github.com/WhiteRabbitc/WhiteRabbitc.github.io/blob/master/cve/SDCMS_1.6_code_execution.docnvdExploitThird Party Advisory

News mentions

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cvss	0.572
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000