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Vulnerability record · CVE-2005-1157 · published 2 May 2005

CVE-2005-1157: Mozilla firefox vulnerability

Mozilla · Firefox

Firefox before 1.0.3, Mozilla Suite before 1.7.7, and Netscape 7.2 allows remote attackers to replace existing search plugins with malicious ones using sidebar.addSearchEngine and the same filename as the target engine, which may not be displayed in the GUI, which could then be used to execute malicious script, aka "Firesearching 2."

7.5 CVSS 2.0 High EPSS 2.5% · top 16.2%
7.5CVSS 2.0 base score
2.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
28References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

Firefox before 1.0.3, Mozilla Suite before 1.7.7, and Netscape 7.2 allows remote attackers to replace existing search plugins with malicious ones using sidebar.addSearchEngine and the same filename as the target engine, which may not be displayed in the GUI, which could then be used to execute malicious script, aka "Firesearching 2."

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

Affected products

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

References

LinkTags
ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.49/SCOSA-2005.49.txt
http://secunia.com/advisories/14938 PatchVendor Advisory
http://secunia.com/advisories/14992 PatchVendor Advisory
http://secunia.com/advisories/14996 PatchVendor Advisory
http://www.mikx.de/firesearching/ Exploit
http://www.mozilla.org/security/announce/mfsa2005-38.html Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2005-383.html PatchVendor Advisory
http://www.redhat.com/support/errata/RHSA-2005-384.html
http://www.redhat.com/support/errata/RHSA-2005-386.html PatchVendor Advisory
http://www.securityfocus.com/bid/13211 ExploitPatch
http://www.securityfocus.com/bid/15495
https://bugzilla.mozilla.org/show_bug.cgi?id=290037 Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/20125
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9961
ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.49/SCOSA-2005.49.txt
http://secunia.com/advisories/14938 PatchVendor Advisory
http://secunia.com/advisories/14992 PatchVendor Advisory
http://secunia.com/advisories/14996 PatchVendor Advisory
http://www.mikx.de/firesearching/ Exploit
http://www.mozilla.org/security/announce/mfsa2005-38.html Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2005-383.html PatchVendor Advisory
http://www.redhat.com/support/errata/RHSA-2005-384.html
http://www.redhat.com/support/errata/RHSA-2005-386.html PatchVendor Advisory
http://www.securityfocus.com/bid/13211 ExploitPatch
http://www.securityfocus.com/bid/15495
https://bugzilla.mozilla.org/show_bug.cgi?id=290037 Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/20125
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9961

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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-2005-1157), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.