What is CVE-2018-0699?

CVE-2018-0699 is a medium-severity vulnerability in Hiroshi Yuki Yukiwiki, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-11-15.

How severe is CVE-2018-0699?

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

XSS in Hiroshi Yuki Yukiwiki

CVE-2018-0699

Cross-site scripting vulnerability in YukiWiki 2.1.3 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-11-15 · 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: 0.008 (54.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Hiroshi Yuki Yukiwiki — versions 2.1.3 and earlier
Hyuki Yukiwiki

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

jvn.jp/en/jp/JVN36343375/index.html (Third Party Advisory, third-party-advisory)
www.hyuki.com/yukiwiki/ (Product, Vendor Advisory)

Frequently asked questions

What is CVE-2018-0699?: CVE-2018-0699 is a medium-severity vulnerability in Hiroshi Yuki Yukiwiki, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-11-15.
How severe is CVE-2018-0699?: Medium severity. CVSS v3 base score is 6.1 out of 10.