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.

CVSS v3.1 NVD

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.57% chance of exploitation in the next 30 days, 46th percentile

Published

2023-06-20

Updated

2024-12-10

Proof-of-concept exploits (1)

• typora/typora-issues/issues/29591594★ · 2025-07-25

References

• CVE Record
• NVD entry

Related

• CVE-2019-12137
• CVE-2019-12172
• CVE-2019-6803
• CVE-2019-7295
• CVE-2019-7296
• CVE-2020-18221