CVE-2020-26956

Source
https://nvd.nist.gov/vuln/detail/CVE-2020-26956
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-26956.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-26956
Downstream
Related
Published
2020-12-09T01:15:12Z
Modified
2025-08-09T20:01:27Z
Severity
  • 6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

In some cases, removing HTML elements during sanitization would keep existing SVG event handlers and therefore lead to XSS. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

References

Affected packages