How severe is CVE-2018-9206?

CVE-2018-9206 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-9206 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 97% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-9206?

CVE-2018-9206 affects Jquery File Upload Project Jquery File Upload. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-9206?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-9206 published?

CVE-2018-9206 was published on 2018-10-11 and last updated on 2026-06-17.

CVE-2018-9206

CVE-2018-9206 is a critical-severity vulnerability in Jquery File Upload Project Jquery File Upload with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 97% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 97% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Jquery File Upload Project Jquery File Upload
Published: 2018-10-11
Last modified: 2026-06-17

Description

Unauthenticated arbitrary file upload vulnerability in Blueimp jQuery-File-Upload <= v9.22.0

Frequently asked questions

What is CVE-2018-9206?: Unauthenticated arbitrary file upload vulnerability in Blueimp jQuery-File-Upload <= v9.22.0
How severe is CVE-2018-9206?: CVE-2018-9206 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-9206 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 97% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-9206?: CVE-2018-9206 affects Jquery File Upload Project Jquery File Upload. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-9206?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-9206 published?: CVE-2018-9206 was published on 2018-10-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jquery_file_upload_project:jquery_file_upload:*:*:*:*:*:*:*:*

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