How severe is CVE-2017-1000454?

CVE-2017-1000454 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-1000454 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-1000454?

CVE-2017-1000454 affects Cmsmadesimple Cms Made Simple. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-1000454?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-1000454 published?

CVE-2017-1000454 was published on 2018-01-02 and last updated on 2026-06-17.

CVE-2017-1000454

CVE-2017-1000454 is a high-severity vulnerability in Cmsmadesimple Cms Made Simple with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-74.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Cmsmadesimple Cms Made Simple
Published: 2018-01-02
Last modified: 2026-06-17

Description

CMS Made Simple 2.1.6, 2.2, 2.2.1 are vulnerable to Smarty Template Injection in some core components, resulting in local file read before 2.2, and local file inclusion since 2.2.1

Frequently asked questions

What is CVE-2017-1000454?: CMS Made Simple 2.1.6, 2.2, 2.2.1 are vulnerable to Smarty Template Injection in some core components, resulting in local file read before 2.2, and local file inclusion since 2.2.1
How severe is CVE-2017-1000454?: CVE-2017-1000454 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-1000454 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-1000454?: CVE-2017-1000454 affects Cmsmadesimple Cms Made Simple. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-1000454?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-1000454 published?: CVE-2017-1000454 was published on 2018-01-02 and last updated on 2026-06-17.

References

https://www.cmsmadesimple.org/2017/07/Announcing-CMSMS-2.2.2-Hearts-Content

Affected products (1)

cpe:2.3:a:cmsmadesimple:cms_made_simple:*:*:*:*:*:*:*:*

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