CVE-2019-12136

5.4 mediumEPSS 0.6%

Medium (5.4) in boostio boostnote. EPSS 0.6% chance of exploitation in the next 30 days.

There is XSS in BoostIO Boostnote 0.11.15 via a label named mermaid, as demonstrated by a crafted SRC attribute of an IFRAME element.

Severity

5.4 medium

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2019-05-16
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19