Notable 1.8.4 allows XSS via crafted Markdown text, with resultant remote code execution…
Priority MEDIUM 49CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Notable 1.8.4 allows XSS via crafted Markdown text, with resultant remote code execution (because nodeIntegration in webPreferences is true).
Why it matters now
EPSS 0.04527 91st 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-16608
- 2026-10-03 Alias added: GHSA-636w-6mqg-2rmv
References
More Notable vulnerabilities
- TI-2022-09627 Notable v1.8.4 does not filter text editing, allowing attackers to execute arbitrary code… CVSS 3.1CRITICAL 9.8
- TI-2022-11815 Notable before 1.9.0-beta.8 doesn't effectively prevent the opening of executable files… CVSS 3.1HIGH 8.8
Sources
- CVE-2020-16608 · CVE Program
- CVE-2020-16608 · NVD
- FIRST EPSS
- GHSA-636w-6mqg-2rmv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences