CVE-2018-19520

Name: CVE-2018-19520
Creator: NVD / NIST
Published: 2018-11-25T20:29:00.337+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.92%

Last modified Jun 17, 2026

CVE-2018-19520 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.92% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

2.92%

85.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Sdcms	Sdcms	1.6
Php	Php	>= 5.0.0, <= 5.6.38

References

https://blog.whiterabbitxyj.com/cve/SDCMS_1.6_code_execution.docExploit, Third Party Advisory
https://github.com/WhiteRabbitc/WhiteRabbitc.github.io/blob/master/cve/SDCMS_1.6_code_execution.docExploit, Third Party Advisory
https://blog.whiterabbitxyj.com/cve/SDCMS_1.6_code_execution.docExploit, Third Party Advisory
https://github.com/WhiteRabbitc/WhiteRabbitc.github.io/blob/master/cve/SDCMS_1.6_code_execution.docExploit, Third Party Advisory

Timeline

Published: Nov 25, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-19520?

How severe is CVE-2018-19520?

Severity scoring for CVE-2018-19520 is pending analysis. The EPSS model estimates a 2.92% probability of exploitation in the next 30 days.

How do I fix CVE-2018-19520?

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-2018-19520?

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

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Source: NVD / NIST