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Vulnerability record · CVE-2004-1381 · published 20 October 2004

CVE-2004-1381: Mozilla firefox vulnerability

Mozilla · Firefox

Firefox before 1.0 and Mozilla before 1.7.5 allow inactive (background) tabs to focus on input being entered in the active tab, as originally reported using form fields, which allows remote attackers to steal sensitive data that is intended for other sites, which could facilitate phishing attacks.

5.0 CVSS 2.0 Medium EPSS 6.9% · top 6.2%
5.0CVSS 2.0 base score
6.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
12References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Firefox before 1.0 and Mozilla before 1.7.5 allow inactive (background) tabs to focus on input being entered in the active tab, as originally reported using form fields, which allows remote attackers to steal sensitive data that is intended for other sites, which could facilitate phishing attacks.

AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/12712 ExploitPatchVendor Advisory
http://secunia.com/multiple_browsers_dialog_box_spoofing_test/ Vendor Advisory
http://secunia.com/multiple_browsers_form_field_focus_test/ Vendor Advisory
http://www.mozilla.org/security/announce/mfsa2005-05.html PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/17789
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A100053
http://secunia.com/advisories/12712 ExploitPatchVendor Advisory
http://secunia.com/multiple_browsers_dialog_box_spoofing_test/ Vendor Advisory
http://secunia.com/multiple_browsers_form_field_focus_test/ Vendor Advisory
http://www.mozilla.org/security/announce/mfsa2005-05.html PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/17789
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A100053

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2004-1381), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.