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% (75th 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% (75th 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% (75th 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:*:*:*:*:*:*:*:*

More vulnerabilities in Craftercms Crafter Cms

CVE-2017-15681 — Critical (CVSS 9.8): In Crafter CMS Crafter Studio 3.0.1 a directory traversal vulnerability exists which allows unauthenticated attackers…
CVE-2017-15685 — High (CVSS 8.6): Crafter CMS Crafter Studio 3.0.1 is affected by: XML External Entity (XXE). An unauthenticated attacker is able to…
CVE-2017-15683 — High (CVSS 8.6): In Crafter CMS Crafter Studio 3.0.1 an unauthenticated attacker is able to create a site with specially crafted XML…
CVE-2021-23264 — High (CVSS 8.1): Installations, where crafter-search is not protected, allow unauthenticated remote attackers to create, view, and…
CVE-2021-23267 — High (CVSS 7.6): Improper Control of Dynamically-Managed Code Resources vulnerability in Crafter Studio of Crafter CMS allows…
CVE-2017-15684 — High (CVSS 7.5): Crafter CMS Crafter Studio 3.0.1 has a directory traversal vulnerability which allows unauthenticated attackers to view…

All CVEs affecting Craftercms Crafter Cms →

Other CWE-78 (OS Command Injection) vulnerabilities

CVE-2026-19188 — Critical (CVSS 10.0): A critical OS command injection vulnerability has been identified in the Haiwell IoT Cloud HMI Gateway product. The…
CVE-2026-48362 — Critical (CVSS 10.0): ColdFusion is affected by an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')…
CVE-2026-16812 — Critical (CVSS 10.0): VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access…
CVE-2026-6516 — Critical (CVSS 10.0): Zohocorp ManageEngine ADAudit Plus versions before 8606 are affected by Unauthenticated Remote code execution due to…
CVE-2026-46339 — Critical (CVSS 10.0): 9Router is an AI router & token saver. From 0.4.30 until 0.4.37, 9Router's src/proxy.js middleware did not protect…
CVE-2026-59726 — Critical (CVSS 10.0): Ruflo is an agent meta-harness for Claude Code and Codex. Prior to 3.16.3, ruflo's default docker-compose deployment…

Browse all CWE-78 (OS Command Injection) vulnerabilities →