What’s Vulnerable › Vulnerabilities

CVE-2021-38186

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-08-08 · updated 2026-06-17
• Weakness: CWE-79

Description

An issue was discovered in the comrak crate before 0.10.1 for Rust. It mishandles & characters, leading to XSS via &# HTML entities.

Affected products

• kivikakk comrak: before 0.10.1 — fixed in 0.10.1

How to fix

Upgrade to a fixed version: kivikakk comrak 0.10.1. Check the vendor advisory for mitigations.

References

• https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/comrak/RUSTSEC-2021-0063.md
• https://rustsec.org/advisories/RUSTSEC-2021-0063.html
• https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/comrak/RUSTSEC-2021-0063.md
• https://rustsec.org/advisories/RUSTSEC-2021-0063.html

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