EpicEditor XSS Vulnerability

Also known as GHSA-4wc5-gfgh-4vjx

Published 9 y ago 2017-03-09 · modified 4 mo ago 2026-06-17 · JSON

CVSS

6.1

v3.0 · NVD

CISA KEV

not known exploited

EPSS

0.7%

percentile 53%

Public exploits

none known

EpicEditor through 0.2.3 has Cross-Site Scripting because of an insecure default marked.js configuration. An example attack vector is a crafted IMG element in an HTML document.

Exploit prediction (EPSS)

0.68% probability of exploitation in the next 30 days, higher than 53% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
NVD	3.0	6.1	`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`
NVD	2.0	4.3	`AV:N/AC:M/Au:N/C:N/I:P/A:N`
GitHub	3.0	6.1	`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`

Affected packages

Ecosystem	Package	Affected	Fixed in
npm	`epiceditor`	<=0.2.3	no fix listed

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

bad.code.blog /2017/03/09/epiceditor-cross-site-scripting/ · x_refsource_MISC, x_transferred
nvd.nist.gov /vuln/detail/CVE-2017-6589 · advisory
bad.code.blog /2017/03/09/epiceditor-cross-site-scripting · web
github.com /OscarGodson/EpicEditor · package

Sources

CVE List: CVE-2017-6589
GitHub Advisory: GHSA-4wc5-gfgh-4vjx
NVD: CVE-2017-6589

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.