What’s Vulnerable › Vulnerabilities

CVE-2020-28455: Cross-site Scripting (XSS)

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-07-25 · updated 2026-06-17
• Weakness: CWE-79

Description

This affects all versions of package markdown-it-toc. The title of the generated toc and the contents of the header are not escaped.

Affected products

• markdown-it-toc: all versions

References

• https://security.snyk.io/vuln/SNYK-JS-MARKDOWNITTOC-1044067
• https://security.snyk.io/vuln/SNYK-JS-MARKDOWNITTOC-1044067

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