How severe is CVE-2015-8856?

CVE-2015-8856 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-2015-8856 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8856?

CVE-2015-8856 affects Openjsf Serve-index. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-8856?

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

When was CVE-2015-8856 published?

CVE-2015-8856 was published on 2017-01-23 and last updated on 2026-06-17.

CVE-2015-8856

CVE-2015-8856 is a medium-severity vulnerability in Openjsf Serve-index 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: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Openjsf Serve-index
Published: 2017-01-23
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in the serve-index package before 1.6.3 for Node.js allows remote attackers to inject arbitrary web script or HTML via a crafted file or directory name.

Frequently asked questions

What is CVE-2015-8856?: Cross-site scripting (XSS) vulnerability in the serve-index package before 1.6.3 for Node.js allows remote attackers to inject arbitrary web script or HTML via a crafted file or directory name.
How severe is CVE-2015-8856?: CVE-2015-8856 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-2015-8856 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8856?: CVE-2015-8856 affects Openjsf Serve-index. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-8856?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-8856 published?: CVE-2015-8856 was published on 2017-01-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openjsf:serve-index:*:*:*:*:node.js:*:*:*

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