GHSA-mc9q-rpjx-f8px

GHSA-mc9q-rpjx-f8px PUBLISHED CVSS 5.300000190734863 MEDIUM

Record from GitHub Advisory Database · Published May 13, 2022

Sites can bypass security checks on permissions to install lightweight themes by manipulating the "baseURI" property of the theme element. This could allow a malicious site to install a theme without user interaction which could contain offensive or embarrassing images. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.

Risk scores

CVSS 3.0

5.300000190734863

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Timeline

May 13, 2022 CVE Published
Apr 9, 2026 Distribution Patch (6 in total, the first dated here)
Apr 30, 2026 Security Advisory

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-mc9q-rpjx-f8px
vulnetix vdb fixes GHSA-mc9q-rpjx-f8px

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-mc9q-rpjx-f8px/fixes/registry"

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References

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