What is CVE-2018-11647?

CVE-2018-11647 is a medium-severity vulnerability in Oauth2orize-Fprm Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-06-17.

How severe is CVE-2018-11647?

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

XSS in Oauth2orize-Fprm Project

CVE-2018-11647

index.js in oauth2orize-fprm before 0.2.1 has XSS via a crafted URL.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-06-17 · 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: 0.009 (58.4th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.009 · change: -0.002

Affected products

Oauth2orize-Fprm Project

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/jaredhanson/oauth2orize-fprm/blob/master/SECURITY-NOTICE.md (Third Party Advisory)
github.com/jaredhanson/oauth2orize-fprm/commit/2bf9faee787eb004abbdfb6f4cc2fb06… (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2018-11647?: CVE-2018-11647 is a medium-severity vulnerability in Oauth2orize-Fprm Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-06-17.
How severe is CVE-2018-11647?: Medium severity. CVSS v3 base score is 6.1 out of 10.