CVE-2008-5505: n/a vulnerability

CVE-2008-5505: Mozilla Firefox 3.x before 3.0.5 allows remote attackers to bypass intended privacy restrictions by using t...

Mozilla Firefox 3.x before 3.0.5 allows remote attackers to bypass intended privacy restrictions by using the persist attribute in an XUL element to create and access data entities that are similar to cookies.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 10:56 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2008-5505 is an old Firefox privacy bypass. A remote website could abuse XUL persistence to store and read cookie-like data, undermining intended privacy controls. The source bundle does not show code execution, KEV listing, or active exploitation evidence. Exposure is most likely in legacy systems still running Firefox 3.x before 3.0.5 or old vendor-packaged builds. Current supported browsers are unlikely to be affected, but archival kiosks, lab systems, or unmanaged desktops should be checked. Low urgency for modern environments, higher for legacy desktops or kiosks. Prioritize confirming absence of obsolete Firefox installations, because unsupported browsers create broader operational risk beyond this single privacy issue. Mitigation focus: Upgrade Firefox 3.x installations to 3.0.5 or later.; Apply relevant vendor browser updates from Red Hat, Ubuntu, Mandriva, or Sun advisories.; Remove unsupported Firefox 3.x builds from managed endpoints..

Prepared: Jun 28, 2026, 11:41 UTC (UTC+00:00)

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

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Dec 17, 2008, 23:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

5Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://bugzilla.mozilla.org/show_bug.cgi?id=295994CVE reference · x_refsource_MISC
USN-690-1CVE reference · vendor-advisory, x_refsource_UBUNTU
firefox-xul-weak-security(47411)CVE reference · vdb-entry, x_refsource_XF
oval:org.mitre.oval:def:10443CVE reference · vdb-entry, signature

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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