What’s Vulnerable › Vulnerabilities

CVE-2023-42808: Common Voice Cross-site Scripting vulnerability

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-10-04 · updated 2026-06-17
• Weakness: CWE-79

Description

Common Voice is the web app for Mozilla Common Voice, a platform for collecting speech donations in order to create public domain datasets for training voice recognition-related tools. Version 1.88.2 is vulnerable to reflected Cross-Site Scripting given that user-controlled data flows to a path expression (path of a network request). This issue may lead to reflected Cross-Site Scripting (XSS) in the context of Common Voice’s server origin. As of time of publication, it is unknown whether any patches or workarounds exist.

Affected products

• Mozilla common-voice: 1.88.2

References

• https://github.com/mozilla/common-voice/blob/9d6ffd755e29b81918b86b9f5218b9c27d9c1c1a/server/src/fetch-legal-document.ts#LL21-L62C2
• https://github.com/mozilla/common-voice/blob/9d6ffd755e29b81918b86b9f5218b9c27d9c1c1a/server/src/server.ts#L214
• https://securitylab.github.com/advisories/GHSL-2023-026_Common_Voice/
• https://github.com/mozilla/common-voice/blob/9d6ffd755e29b81918b86b9f5218b9c27d9c1c1a/server/src/fetch-legal-document.ts#LL21-L62C2
• https://github.com/mozilla/common-voice/blob/9d6ffd755e29b81918b86b9f5218b9c27d9c1c1a/server/src/server.ts#L214
• https://securitylab.github.com/advisories/GHSL-2023-026_Common_Voice/

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