What is CVE-2018-19289?

CVE-2018-19289 is a medium-severity vulnerability in Valine.js Valine, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-11-15.

How severe is CVE-2018-19289?

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

XSS in Valine.js Valine

CVE-2018-19289

An issue was discovered in Valine v1.3.3. It allows HTML injection, which can be exploited for JavaScript execution via an EMBED element in conjunction with a .pdf file.

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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.012 (67.8th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Valine.js Valine — versions 1.3.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/xCss/Valine/issues/127 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-19289?: CVE-2018-19289 is a medium-severity vulnerability in Valine.js Valine, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-11-15.
How severe is CVE-2018-19289?: Medium severity. CVSS v3 base score is 6.1 out of 10.