Medium severity6.1NVD Advisory· Published May 26, 2021· Updated Jun 17, 2026

CVE-2020-18221

Description

Cross Site Scripting (XSS) in Typora v0.9.65 and earlier allows remote attackers to execute arbitrary code by injecting commands during block rendering of a mathematical formula.

Affected products

Typora/Typora2 versions
cpe:2.3:a:typora:typora:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:typora:typora:*:*:*:*:*:*:*:*range: <=0.9.65
- (no CPE)range: <=0.9.65
Typora/Typoradescription

Patches

Vulnerability mechanics

References

github.com/typora/typora-issues/issues/2204nvdExploitIssue TrackingThird Party Advisory

News mentions

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cvss	0.397
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000