What is CVE-2015-3296?

CVE-2015-3296 is a medium-severity vulnerability in Nodebb, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-09-21.

How severe is CVE-2015-3296?

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

XSS in Nodebb

CVE-2015-3296

Multiple cross-site scripting (XSS) vulnerabilities in NodeBB before 0.7 allow remote attackers to inject arbitrary web script or HTML via vectors related to (1) javascript: or (2) data: URLs.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-09-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.013 (68.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Nodebb

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.openwall.com/lists/oss-security/2015/04/10/10 (mailing-list, Patch, Mailing List, Third Party Advisory)
www.securityfocus.com/bid/71824 (VDB Entry, Third Party Advisory, vdb-entry)
github.com/julianlam/nodebb-plugin-markdown/commit/ab7f2684750882f7baefbfa31db8… (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2015-3296?: CVE-2015-3296 is a medium-severity vulnerability in Nodebb, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-09-21.
How severe is CVE-2015-3296?: Medium severity. CVSS v3 base score is 6.1 out of 10.