XSS in Caret markdown editor leads to remote code execution when viewing crafted Markdown files
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 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Caret is vulnerable to an XSS attack when the user opens a crafted Markdown file when preview mode is enabled. This directly leads to client-side code execution.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00863 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
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 |
|---|---|---|---|---|---|
| careteditor | caret | all versions | — | No fix listed | CNA |
- caret Vendorcareteditor Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:caret:caret:*:*:*:*:*:*:*:* | all versions | Vulnerable | Caret Inc. |
- cpe:2.3:a:caret:caret:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Caret Inc.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-42967
- 2026-10-03 Alias added: GHSA-9852-mg56-6j5x
References
More Caret Inc. Caret vulnerabilities
- TI-2020-13815 A specially crafted Markdown document could cause the execution of malicious JavaScript… CVSS 3.1CRITICAL 9.8
- TI-2019-07298 Caret before 2019-02-22 allows Remote Code Execution. CVSS 3.0CRITICAL 9.8
Sources
- CVE-2022-42967 · CVE Program
- CVE-2022-42967 · NVD
- FIRST EPSS
- GHSA-9852-mg56-6j5x · 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