XSS in Boostnote

CVE-2018-13433

Boostnote v0.11.7 allows XSS during highlighting of Markdown text, as demonstrated by an onerror attribute of an IMG element.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (55.0th percentile) — read the EPSS interpretation.

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.

Affected products

Boostnote — versions 0.11.7
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-13433?: CVE-2018-13433 is a medium-severity vulnerability in Boostnote, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-07-08.
How severe is CVE-2018-13433?: Medium severity. CVSS v3 base score is 6.1 out of 10.