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CVE-2007-3827: Mozilla Firefox allows for cookies to be set with a null domain (aka "domainless cookies"), which allows re...

Mozilla Firefox allows for cookies to be set with a null domain (aka "domainless cookies"), which allows remote attackers to pass information between arbitrary domains and track user activity, as demonstrated by the domain attribute in the document.cookie variable in a javascript: window.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is an old Mozilla Firefox privacy flaw involving domainless cookies. A malicious site could use cookies with no domain to share information across otherwise unrelated websites, enabling cross-site tracking. The bundle does not identify affected Firefox versions, a patch, or confirmed exploitation. Exposure is most likely limited to legacy Firefox environments from the 2007 era. The provided affected-product data is incomplete and lists no specific versions, so teams should validate browser inventories before assuming relevance. Treat this as a legacy browser hygiene and privacy-risk issue, not an emergency patch event. Priority rises if unsupported Firefox builds are still used in business workflows, kiosks, or unmanaged endpoints. Mitigation focus: Identify whether any legacy Firefox versions remain in managed or kiosk environments.; Move users to currently supported Firefox or another supported browser.; Check Mozilla or vendor guidance for historical fix status before declaring remediation complete..

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Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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CVE-2007-3827 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors
0Timeline events
0ADP providers
1Source links

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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