CVE-2005-0591: n/a vulnerability

CVE-2005-0591: Firefox before 1.0.1 allows remote attackers to spoof the (1) security and (2) download modal dialog boxes,...

Firefox before 1.0.1 allows remote attackers to spoof the (1) security and (2) download modal dialog boxes, which could be used to trick users into executing script or downloading and executing a file, aka "Firespoofing."

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 21:21 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2005-0591 is an old Firefox issue where a website could fake browser security or download dialog boxes. The practical risk was user deception: convincing someone they were seeing a trusted browser prompt, then leading them to run script or download and execute a file. Exposure is mainly legacy systems running Firefox before 1.0.1 or 2005-era distribution packages referenced by vendor advisories. Modern managed endpoints should be unaffected if browsers are updated. Treat any unsupported browser install as a broader control failure. Low for modern environments, but moderate where legacy browsers still exist. The business concern is phishing-style user deception leading to unsafe execution decisions, and any remaining exposure indicates outdated endpoint governance. Mitigation focus: Upgrade Firefox to 1.0.1 or later where this legacy version is still present.; Apply relevant vendor advisories for Red Hat or Gentoo managed packages.; Remove unsupported Firefox builds from enterprise endpoints and gold images..

Prepared: Jun 29, 2026, 23:55 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

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Feb 28, 2005, 05:00 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
web-browser-modal-spoofing(18864)CVE reference · vdb-entry, x_refsource_XF
https://bugzilla.mozilla.org/show_bug.cgi?id=260560CVE reference · x_refsource_CONFIRM
oval:org.mitre.oval:def:100042CVE reference · vdb-entry, signature
oval:org.mitre.oval:def:10039CVE 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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