CVE-2017-1000453
CMS Made Simple version 2.1.6 and 2.2 are vulnerable to Smarty templating injection in some core modules, resulting in unauthenticated PHP code execution.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
CMS Made Simple version 2.1.6 and 2.2 are vulnerable to Smarty templating injection in some core modules, resulting in unauthenticated PHP code execution.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.81% probability · 78th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-74
- Affected
- cmsmadesimple/cms made simple
- Source
- cve@mitre.org
EPSS 1.8% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://www.cmsmadesimple.org/2017/06/Announcing-CMSMS-2-2-1-Hearts-Desire/Issue Tracking, Vendor Advisory
- https://www.cmsmadesimple.org/2017/06/Announcing-CMSMS-2-2-1-Hearts-Desire/Issue Tracking, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.