XSS in Typora

CVE-2020-21058

Cross Site Scripting vulnerability in Typora v.0.9.79 allows a remote attacker to execute arbitrary code via the mermaid sytax.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (42.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

  • Typora — versions 0.9.79
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-21058?
CVE-2020-21058 is a medium-severity vulnerability in Typora, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-06-20.
How severe is CVE-2020-21058?
Medium severity. CVSS v3 base score is 6.1 out of 10.