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CVE-2021-23974

Severity Medium
Score 4.3/10

Summary

The DOMParser API did not properly process '<noscript>' elements for escaping. This could be used as an mXSS vector to bypass an HTML Sanitizer. This vulnerability affects Firefox < 86.

  • MEDIUM
  • NETWORK
  • NONE
  • PARTIAL
  • NONE
  • NONE

References

Advisory Timeline

  • Published