How severe is CVE-2019-15603?

CVE-2019-15603 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-2019-15603 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15603?

CVE-2019-15603 affects Seeftl Project Seeftl. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-15603?

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

When was CVE-2019-15603 published?

CVE-2019-15603 was published on 2020-01-06 and last updated on 2026-06-17.

CVE-2019-15603

CVE-2019-15603 is a medium-severity vulnerability in Seeftl Project Seeftl 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% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Seeftl Project Seeftl
Published: 2020-01-06
Last modified: 2026-06-17

Description

The seefl package v0.1.1 is vulnerable to a stored Cross-Site Scripting (XSS) vulnerability via a malicious filename rendered in a directory listing.

Frequently asked questions

What is CVE-2019-15603?: The seefl package v0.1.1 is vulnerable to a stored Cross-Site Scripting (XSS) vulnerability via a malicious filename rendered in a directory listing.
How severe is CVE-2019-15603?: CVE-2019-15603 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-2019-15603 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15603?: CVE-2019-15603 affects Seeftl Project Seeftl. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15603?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-15603 published?: CVE-2019-15603 was published on 2020-01-06 and last updated on 2026-06-17.

References

https://hackerone.com/reports/665302

Affected products (1)

cpe:2.3:a:seeftl_project:seeftl:0.1.1:*:*:*:*:node.js:*:*

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