RCE in Cmsmadesimple Cms Made Simple

CVE-2017-8912

CMS Made Simple (CMSMS) 2.1.6 allows remote authenticated administrators to execute arbitrary PHP code via the code parameter to admin/editusertag.php, related to the CreateTagFunction and CallUserTag functions. NOTE: the vendor reportedly has stated this is "a feature, not a bug.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.031 (86.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-8912?
CVE-2017-8912 is a high-severity vulnerability in Cmsmadesimple Cms Made Simple, classified under Code Injection. CVSS score: 7.2/10. Published 2017-05-12.
How severe is CVE-2017-8912?
High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2017-8912 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.