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CVE-2013-1690

CISA KEV

Published March 28, 2022 · Updated April 3, 2026

high
Official Description+

Mozilla Firefox and Thunderbird do not properly handle onreadystatechange events in conjunction with page reloading, which allows remote attackers to cause a denial-of-service (DoS) or possibly execute malicious code via a crafted web site.

Affected Products

VendorProduct
MozillaFirefox and Thunderbird

Patch Status

Patch by 2022-04-18

Recommended Actions

  1. Check if your systems use any of the affected products listed above.
  2. Apply vendor patches immediately if available.
  3. This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
  4. Monitor vendor advisories for updates and additional mitigations.
  5. Review logs for indicators of compromise related to CVE-2013-1690.