How severe is CVE-2018-19907?

CVE-2018-19907 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-19907 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-19907?

CVE-2018-19907 affects Craftercms Crafter Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-19907?

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-2018-19907 published?

CVE-2018-19907 was published on 2018-12-06 and last updated on 2026-06-17.

CVE-2018-19907

CVE-2018-19907 is a high-severity vulnerability in Craftercms Crafter Cms with a CVSS 3.x base score of 8.8. 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-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Craftercms Crafter Cms
Published: 2018-12-06
Last modified: 2026-06-17

Description

A Server-Side Template Injection issue was discovered in Crafter CMS 3.0.18. Attackers with developer privileges may execute OS commands by Creating/Editing a template file (.ftl filetype) that triggers a call to freemarker.template.utility.Execute in the FreeMarker library during rendering of a web page.

Frequently asked questions

What is CVE-2018-19907?: A Server-Side Template Injection issue was discovered in Crafter CMS 3.0.18. Attackers with developer privileges may execute OS commands by Creating/Editing a template file (.ftl filetype) that triggers a call to freemarker.template.utility.Execute in the FreeMarker library during rendering of a web page.
How severe is CVE-2018-19907?: CVE-2018-19907 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-19907 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-19907?: CVE-2018-19907 affects Craftercms Crafter Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-19907?: 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-2018-19907 published?: CVE-2018-19907 was published on 2018-12-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:craftercms:crafter_cms:*:*:*:*:*:*:*:*

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