CVE-2020-8548
massCode 1.0.0-alpha.6 allows XSS via crafted Markdown text, with resultant remote code execution...
massCode 1.0.0-alpha.6 allows XSS via crafted Markdown text, with resultant remote code execution (because nodeIntegration in webPreferences is true).
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
massCode 1.0.0-alpha.6 allows XSS via crafted Markdown text, with resultant remote code execution (because nodeIntegration in webPreferences is true).
- Record
CVE-2020-8548- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE ListNo score
massCode 1.0.0-alpha.6 allows XSS via crafted Markdown text, with resultant remote code execution (because nodeIntegration in webPreferences is true).
- Record
CVE-2020-8548- Updated
- 2026-11-02
EUVDEUVD-2020-29414No score
massCode 1.0.0-alpha.6 allows XSS via crafted Markdown text, with resultant remote code execution (because nodeIntegration in webPreferences is true).
- Record
EUVD-2020-29414- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w333-hr2m-g7q9No score
massCode 1.0.0-alpha.6 allows XSS via crafted Markdown text, with resultant remote code execution...
massCode 1.0.0-alpha.6 allows XSS via crafted Markdown text, with resultant remote code execution (because nodeIntegration in webPreferences is true).
- Record
GHSA-w333-hr2m-g7q9- Updated
- 2026-11-02
OSV
massCode 1.0.0-alpha.6 allows XSS via crafted Markdown text, with resultant remote code execution (because nodeIntegration in webPreferences is true).
- Record
CVE-2020-8548- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-8548 is a medium vulnerability (CVSS 6.1) in Masscode, published February 3, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.44%, the 73rd percentile. No source names a fixed version.