Cross Site Scripting vulnerability found in Markdown Edit allows a remote attacker to…
Priority HIGH 76CWE-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 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
Cross Site Scripting vulnerability found in Markdown Edit allows a remote attacker to execute arbitrary code via the edit parameter of the webpage.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00951 61st 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
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:markdown_edit_project:markdown_edit:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Markdown Edit Project |
- cpe:2.3:a:markdown_edit_project:markdown_edit:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Markdown Edit Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-19947
- 2026-10-03 Alias added: GHSA-2m4q-6966-v2q4
References
Sources
- CVE-2020-19947 · CVE Program
- CVE-2020-19947 · NVD
- FIRST EPSS
- GHSA-2m4q-6966-v2q4 · 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