CVE-2020-20269 json
A specially crafted Markdown document could cause the execution of malicious JavaScript code in Caret Editor before 4.0.0-rc22.
published 2021-01-22 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-13056
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.9%
- EPSS 4.9% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known
Summary
A specially crafted Markdown document could cause the execution of malicious JavaScript code in Caret Editor before 4.0.0-rc22.
Patch / fix
Exploit prediction
4.89% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
References
-
github.com
/careteditor/issues/issues/841
issue-tracking, third-party-advisory
-
github.com
/careteditor/releases-beta/releases/tag/4.0.0-rc22
release-notes, third-party-advisory
-
caret.io
product
-
seclists.org
/fulldisclosure/2021/Jan/59
mailing-list, third-party-advisory
-
seclists.org
/fulldisclosure/2021/Jan/59
mailing-list, third-party-advisory
-
packetstormsecurity.com
/files/161072/Caret-Editor-4.0.0-rc21-Remote-Code-Execution.html
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2020-20269
- NVD CVE-2020-20269
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.