How severe is CVE-2017-16783?

CVE-2017-16783 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-16783 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-16783?

CVE-2017-16783 affects Cmsmadesimple Cms Made Simple. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-16783?

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

When was CVE-2017-16783 published?

CVE-2017-16783 was published on 2017-11-10 and last updated on 2026-06-17.

CVE-2017-16783

CVE-2017-16783 is a critical-severity vulnerability in Cmsmadesimple Cms Made Simple with a CVSS 3.x base score of 9.8. 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-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Cmsmadesimple Cms Made Simple
Published: 2017-11-10
Last modified: 2026-06-17

Description

In CMS Made Simple 2.1.6, there is Server-Side Template Injection via the cntnt01detailtemplate parameter.

Frequently asked questions

What is CVE-2017-16783?: In CMS Made Simple 2.1.6, there is Server-Side Template Injection via the cntnt01detailtemplate parameter.
How severe is CVE-2017-16783?: CVE-2017-16783 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-16783 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-16783?: CVE-2017-16783 affects Cmsmadesimple Cms Made Simple. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-16783?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-16783 published?: CVE-2017-16783 was published on 2017-11-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cmsmadesimple:cms_made_simple:2.1.6:*:*:*:*:*:*:*

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