01 Record
CVE-2019-20374
A mutation cross-site scripting (XSS) issue in Typora through 0.9.9.31.2 on macOS and through 0.9.81 on Linux leads to Remote Code Execution through Mermaid code blocks. To exploit this vulnerability,
HighPUBLISHEDCNA: mitre
CNA base score8.3 CVSS v3.xCVSS:3.0/AC:H/AV:N/A:H/C:H/I:H/PR:N/S:C/UI:R
02 Description
A mutation cross-site scripting (XSS) issue in Typora through 0.9.9.31.2 on macOS and through 0.9.81 on Linux leads to Remote Code Execution through Mermaid code blocks. To exploit this vulnerability,
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.30% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 82.7% of scored records. A rank, not a probability.
- NVD base score
- 9.6 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-01-09 22:40Z6 YR AGO
- Last updated
- 2024-08-05 02:39Z2 YR AGO
- Reserved
- 2020-01-09
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.3)
- CNA CVSS vector
- CVSS:3.0/AC:H/AV:N/A:H/C:H/I:H/PR:N/S:C/UI:R
- Weaknesses
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
- Data version
- 5.1
- Document digest
- 4c32a5a129c414f509c54546cd2549c4cc9b1f9e3bd375bcc11019e3679887f4
05 Affected products
VendorProductVersionsPlatforms