What is CVE-2015-8856?

CVE-2015-8856 is a medium-severity vulnerability in Openjsf Serve-Index, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-01-23.

How severe is CVE-2015-8856?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2015-8856 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Openjsf Serve-Index

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-01-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.025 (83.9th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000

Affected products

Openjsf Serve-Index

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

www.securityfocus.com/bid/96392 (vdb-entry, Broken Link)
nodesecurity.io/advisories/34 (Patch, Vendor Advisory)
www.openwall.com/lists/oss-security/2016/04/20/11 (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2015-8856?: CVE-2015-8856 is a medium-severity vulnerability in Openjsf Serve-Index, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-01-23.
How severe is CVE-2015-8856?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2015-8856 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.