CVE-2021-23974

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.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefox< 86affected

Weaknesses

  • noscript elements could have led to an HTML Sanitizer bypass

ADP Enrichment

CVE Program Container

Additional References

References