CodiMD 1.3.1, when Safari is used, allows XSS via an IFRAME element with…
Priority LOW 29CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
CodiMD 1.3.1, when Safari is used, allows XSS via an IFRAME element with allow-top-navigation in the sandbox attribute, in conjunction with a data: URL.
Why it matters now
EPSS 0.00857 58th 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-2019-15499
- 2026-10-03 Alias added: GHSA-29jh-ww6h-mpqh
References
More HackMD Codimd vulnerabilities
- TI-2024-25612 Cross-site Scripting in Hackmd.io Notes lead by HTML Injection CVSS 3.1HIGH 8.1
- TI-2024-25611 CodiMD - Missing Image Access Controls and Unauthorized Image Access CVSS 3.1MEDIUM 5.3
- TI-2025-29349 CodiMD through 2.2.0 has a CSP-based protection mechanism against XSS through uploaded… CVSS 3.1MEDIUM 4.9
- TI-2024-15132 HackMD CodiMD <2.5.2 is vulnerable to Denial of Service. CVSS 3.1HIGH 7.5
Sources
- CVE-2019-15499 · CVE Program
- CVE-2019-15499 · NVD
- FIRST EPSS
- GHSA-29jh-ww6h-mpqh · GitHub Advisory Database · CC BY 4.0
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