How severe is CVE-2018-16388?

CVE-2018-16388 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-16388 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16388?

CVE-2018-16388 affects E107. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-16388?

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-2018-16388 published?

CVE-2018-16388 was published on 2018-09-12 and last updated on 2026-06-17.

CVE-2018-16388

CVE-2018-16388 is a high-severity vulnerability in E107 with a CVSS 3.x base score of 7.2. 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-434.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 6.5
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: E107
Published: 2018-09-12
Last modified: 2026-06-17

Description

e107_web/js/plupload/upload.php in e107 2.1.8 allows remote attackers to execute arbitrary PHP code by uploading a .php filename with the image/jpeg content type.

Frequently asked questions

What is CVE-2018-16388?: e107_web/js/plupload/upload.php in e107 2.1.8 allows remote attackers to execute arbitrary PHP code by uploading a .php filename with the image/jpeg content type.
How severe is CVE-2018-16388?: CVE-2018-16388 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-16388 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16388?: CVE-2018-16388 affects E107. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16388?: 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-2018-16388 published?: CVE-2018-16388 was published on 2018-09-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:e107:e107:2.1.8:*:*:*:*:*:*:*

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