How severe is CVE-2018-12457?

CVE-2018-12457 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-2018-12457 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12457?

CVE-2018-12457 affects Expresscart Project Expresscart. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-12457?

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-2018-12457 published?

CVE-2018-12457 was published on 2018-06-15 and last updated on 2026-06-17.

CVE-2018-12457

CVE-2018-12457 is a high-severity vulnerability in Expresscart Project Expresscart 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-732.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Expresscart Project Expresscart
Published: 2018-06-15
Last modified: 2026-06-17

Description

expressCart before 1.1.6 allows remote attackers to create an admin user via a /admin/setup Referer header.

Frequently asked questions

What is CVE-2018-12457?: expressCart before 1.1.6 allows remote attackers to create an admin user via a /admin/setup Referer header.
How severe is CVE-2018-12457?: CVE-2018-12457 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-2018-12457 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12457?: CVE-2018-12457 affects Expresscart Project Expresscart. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-12457?: 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-2018-12457 published?: CVE-2018-12457 was published on 2018-06-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:expresscart_project:expresscart:*:*:*:*:*:node.js:*:*

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