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TI-2019-09060 Aliases CVE-2019-12136GHSA-2vgm-64p8-7fv2

There is XSS in BoostIO Boostnote 0.11.15 via a label named mermaid, as demonstrated by a…

Priority LOW 25CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

EPSS 0.00607 49th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:boostio:boostnote:0.11.15:*:*:*:*:*:*:*0.11.15VulnerableBoostio
  • cpe:2.3:a:boostio:boostnote:0.11.15:*:*:*:*:*:*:* Versions 0.11.15 Vulnerable ·Boostio

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-12136
  2. 2026-10-03 Alias added: GHSA-2vgm-64p8-7fv2

References

Exploit 1

  • TI-2019-09100 There is XSS in browser/components/MarkdownPreview.js in BoostIO Boostnote 0.11.15 via a… CVSS 3.0MEDIUM 5.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences