How severe is CVE-2018-3717?

CVE-2018-3717 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-3717 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-3717?

CVE-2018-3717 affects Sencha Connect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-3717?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-3717 published?

CVE-2018-3717 was published on 2018-06-07 and last updated on 2026-06-17.

CVE-2018-3717

CVE-2018-3717 is a medium-severity vulnerability in Sencha Connect with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Sencha Connect
Published: 2018-06-07
Last modified: 2026-06-17

Description

connect node module before 2.14.0 suffers from a Cross-Site Scripting (XSS) vulnerability due to a lack of validation of file in directory.js middleware.

Frequently asked questions

What is CVE-2018-3717?: connect node module before 2.14.0 suffers from a Cross-Site Scripting (XSS) vulnerability due to a lack of validation of file in directory.js middleware.
How severe is CVE-2018-3717?: CVE-2018-3717 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-3717 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-3717?: CVE-2018-3717 affects Sencha Connect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-3717?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-3717 published?: CVE-2018-3717 was published on 2018-06-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sencha:connect:*:*:*:*:*:node.js:*:*

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