What is CVE-2017-1000491?

CVE-2017-1000491 is a medium-severity vulnerability in Shiba Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-01-03.

How severe is CVE-2017-1000491?

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

XSS in Shiba Project

CVE-2017-1000491

Shiba markdown live preview app version 1.1.0 is vulnerable to XSS which leads to code execution due to enabled node integration.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-01-03 · 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: 0.011 (64.7th percentile), scored 2026-10-05.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.011 · change: -0.004

Affected products

Shiba Project — versions 1.1.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/rhysd/Shiba/issues/42 (Third Party Advisory, Issue Tracking)
github.com/rhysd/Shiba/commit/e8a65b0f81eb04903eedd29500d7e1bedf249eab (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2017-1000491?: CVE-2017-1000491 is a medium-severity vulnerability in Shiba Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-01-03.
How severe is CVE-2017-1000491?: Medium severity. CVSS v3 base score is 6.1 out of 10.