CVE-2020-20269
A specially crafted Markdown document could cause the execution of malicious JavaScript code in...
A specially crafted Markdown document could cause the execution of malicious JavaScript code in Caret Editor before 4.0.0-rc22.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A specially crafted Markdown document could cause the execution of malicious JavaScript code in Caret Editor before 4.0.0-rc22.
- Record
CVE-2020-20269- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
A specially crafted Markdown document could cause the execution of malicious JavaScript code in Caret Editor before 4.0.0-rc22.
- Record
CVE-2020-20269- Updated
- 2026-11-02
EUVDEUVD-2020-13056 No score
A specially crafted Markdown document could cause the execution of malicious JavaScript code in Caret Editor before 4.0.0-rc22.
- Record
EUVD-2020-13056- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mjqr-4qcm-8x7g No score
A specially crafted Markdown document could cause the execution of malicious JavaScript code in...
A specially crafted Markdown document could cause the execution of malicious JavaScript code in Caret Editor before 4.0.0-rc22.
- Record
GHSA-mjqr-4qcm-8x7g- Updated
- 2026-11-02
OSV
A specially crafted Markdown document could cause the execution of malicious JavaScript code in Caret Editor before 4.0.0-rc22.
- Record
CVE-2020-20269- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| 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-2020-20269 is a critical vulnerability (CVSS 9.8) in Caret, published January 22, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.89%, the 92nd percentile. No source names a fixed version.
References
github.com/careteditor/issues/issues/841
caret.io
seclists.org/fulldisclosure/2021/Jan/59
packetstormsecurity.com/files/161072/Caret-Editor-4.0.0-rc21-Remote-Code-Execution.html
nvd.nist.gov/vuln/detail/CVE-2020-20269