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    CVE-2005-1157

    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."

    Published:Apr 15, 2005
    Last Modified:Apr 16, 2026
    EPS:Apr 18, 2005
    EPSS Score:0.08734
    CVSS Score:7.5

    Affected Products

    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Mozilla
    Vendor
    Netscape
    Product
    Navigator
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    http://www.mikx.de/firesearching/http://www.securityfocus.com/bid/13211http://www.mikx.de/firesearching/http://www.securityfocus.com/bid/13211

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-84144 (CVSS 7.5) — Internally found bugs present in Thunderbird 154 and Thunderbird ESR 153.1. Some of these bugs showed evidence…
    CVE-2026-84143 (CVSS 9.8) — Internally found bugs present in Thunderbird 154, Thunderbird ESR 153.1 and Thunderbird ESR 140.14. Some of th…
    CVE-2026-84142 (CVSS 9.8) — Internally found bugs present in Thunderbird 154. Some of these bugs showed evidence of memory corruption or a…
    CVE-2026-84141 (CVSS 9.8) — Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 155, Firefox ESR…
    CVE-2026-84140 (CVSS 9.8) — Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ES…
    CVE-2026-84139 (CVSS 6.1) — Clickjacking issue in the DOM: Events component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.…
    CVE-2026-84138 (CVSS 6.5) — Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 155 and Thunderbird 155…
    CVE-2026-84137 (CVSS 4.3) — Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 153…
    CVE-2026-84136 (CVSS 6.1) — Other issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, …
    CVE-2026-84135 (CVSS 9.8) — Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155.…

    References

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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High