What is CVE-2019-12043?

CVE-2019-12043 is a medium-severity vulnerability in Remarkable Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-05-13.

How severe is CVE-2019-12043?

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

Is CVE-2019-12043 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Remarkable Project

CVE-2019-12043

In remarkable 1.7.1, lib/parser_inline.js mishandles URL filtering, which allows attackers to trigger XSS via unprintable characters, as demonstrated by a \x0ejavascript: URL.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-05-13 · 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 (57.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Remarkable Project — versions 1.7.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

ossf-cve-benchmark/CVE-2019-12043

References

github.com/jonschlinkert/remarkable/issues/332 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-12043?: CVE-2019-12043 is a medium-severity vulnerability in Remarkable Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-05-13.
How severe is CVE-2019-12043?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2019-12043 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.