XSS in Typora
CVE-2020-18748
Cross Site Scripting (XSS) in Typora v0.9.65 allows attackers to execute arbitrary code via mathjax syntax due to a mathjax configuration error in the mathematical formula blocks. This is a different vulnerability from CVE-2020-18221.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.009 (59.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Typora — versions 0.9.65
Weakness classification (CWE)
References
- github.com/typora (Third Party Advisory)
- github.com/typora/typora-issues/issues/2226 (Exploit, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2020-18748?
- CVE-2020-18748 is a medium-severity vulnerability in Typora, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-19.
- How severe is CVE-2020-18748?
- Medium severity. CVSS v3 base score is 6.1 out of 10.