GHSA-x63v-c8hj-q3pw

GHSA-x63v-c8hj-q3pw PUBLISHED CVSS 9.300000190734863 CRITICAL

Record from GitHub Advisory Database · Published May 14, 2022

The importScripts function in the Web Workers API implementation in Mozilla Firefox before 43.0 allows remote attackers to bypass the Same Origin Policy by triggering use of the no-cors mode in the fetch API to attempt resource access that throws an exception, leading to information disclosure after a rethrow.

Risk scores

CVSS 4.0

9.300000190734863

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Timeline

May 14, 2022 CVE Published
Apr 9, 2026 Security Advisory (2 in total, the first dated here)
May 1, 2026 Distribution Patch

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-x63v-c8hj-q3pw
vulnetix vdb fixes GHSA-x63v-c8hj-q3pw

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-x63v-c8hj-q3pw/fixes/registry"

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References

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