How severe is CVE-2018-12304?

CVE-2018-12304 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-12304 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12304?

CVE-2018-12304 affects Seagate Nas Os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-12304?

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

When was CVE-2018-12304 published?

CVE-2018-12304 was published on 2019-05-13 and last updated on 2026-06-17.

CVE-2018-12304

CVE-2018-12304 is a medium-severity vulnerability in Seagate Nas Os with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Seagate Nas Os
Published: 2019-05-13
Last modified: 2026-06-17

Description

Cross-site scripting in Application Manager in Seagate NAS OS version 4.3.15.1 allows attackers to execute JavaScript via multiple application metadata fields: Short Description, Publisher Name, Publisher Contact, or Website URL.

Frequently asked questions

What is CVE-2018-12304?: Cross-site scripting in Application Manager in Seagate NAS OS version 4.3.15.1 allows attackers to execute JavaScript via multiple application metadata fields: Short Description, Publisher Name, Publisher Contact, or Website URL.
How severe is CVE-2018-12304?: CVE-2018-12304 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-12304 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12304?: CVE-2018-12304 affects Seagate Nas Os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-12304?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-12304 published?: CVE-2018-12304 was published on 2019-05-13 and last updated on 2026-06-17.

References

https://blog.securityevaluators.com/invading-your-personal-cloud-ise-labs-exploits-the-seagate-stcr3000101-ecf89de2170

Affected products (1)

cpe:2.3:o:seagate:nas_os:4.3.15.1:*:*:*:*:*:*:*

More vulnerabilities in Seagate Nas Os

CVE-2018-12295 — Critical (CVSS 9.8): SQL injection in folderViewSpecific.psp in Seagate NAS OS version 4.3.15.1 allows attackers to execute arbitrary SQL…
CVE-2018-12301 — High (CVSS 7.5): Unvalidated URL in Download Manager in Seagate NAS OS version 4.3.15.1 allows attackers to access the loopback…
CVE-2018-12298 — High (CVSS 7.5): Directory Traversal in filebrowser in Seagate NAS OS 4.3.15.1 allows attackers to read files within the application's…
CVE-2018-12296 — High (CVSS 7.5): Insufficient access control in /api/external/7.0/system.System.get_infos in Seagate NAS OS version 4.3.15.1 allows…
CVE-2018-12302 — Medium (CVSS 6.1): Missing HTTPOnly flag on session cookies in the Seagate NAS OS version 4.3.15.1 web application allows attackers to…
CVE-2018-12300 — Medium (CVSS 6.1): Arbitrary Redirect in echo-server.html in Seagate NAS OS version 4.3.15.1 allows attackers to disclose information in…

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