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    CVE-2007-0996

    The child frames in Mozilla Firefox before 1.5.0.10 and 2.x before 2.0.0.2, and SeaMonkey before 1.0.8 inherit the default charset from the parent window, which allows remote attackers to conduct cross-site scripting (XSS) attacks, as demonstrated using the UTF-7 character set.

    Published:Feb 23, 2007
    Last Modified:Apr 23, 2026
    EPS:Feb 27, 2007
    EPSS Score:0.02609
    CVSS Score:5.8

    Affected Products

    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Seamonkey
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    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://patches.sgi.com/support/free/security/advisories/20070202-01-P.asc
    ftp://patches.sgi.com/support/free/security/advisories/20070301-01-P.asc
    http://fedoranews.org/cms/node/2713
    http://fedoranews.org/cms/node/2728
    http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00771742
    http://lists.suse.com/archive/suse-security-announce/2007-Mar/0001.html
    http://osvdb.org/33812
    http://rhn.redhat.com/errata/RHSA-2007-0077.html
    http://secunia.com/advisories/24205
    http://secunia.com/advisories/24287
    http://secunia.com/advisories/24290
    http://secunia.com/advisories/24320
    http://secunia.com/advisories/24328
    http://secunia.com/advisories/24333
    http://secunia.com/advisories/24342
    http://secunia.com/advisories/24343
    http://secunia.com/advisories/24384
    http://secunia.com/advisories/24395
    http://secunia.com/advisories/24455
    http://secunia.com/advisories/24457
    http://secunia.com/advisories/24650
    http://secunia.com/advisories/25588
    http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.338131
    http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.374851
    http://www.debian.org/security/2007/dsa-1336
    http://www.hardened-php.net/advisory_032007.142.html
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:050
    http://www.mozilla.org/security/announce/2007/mfsa2007-02.html
    http://www.novell.com/linux/security/advisories/2007_22_mozilla.html
    http://www.redhat.com/support/errata/RHSA-2007-0078.html
    http://www.redhat.com/support/errata/RHSA-2007-0079.html
    http://www.redhat.com/support/errata/RHSA-2007-0097.html
    http://www.redhat.com/support/errata/RHSA-2007-0108.html
    http://www.securityfocus.com/archive/1/461076/100/0/threaded
    http://www.securityfocus.com/archive/1/461336/100/0/threaded
    http://www.securityfocus.com/bid/22694
    http://www.securitytracker.com/id?1017702
    http://www.ubuntu.com/usn/usn-428-1
    http://www.vupen.com/english/advisories/2007/0718
    https://issues.rpath.com/browse/RPL-1103
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10086
    ftp://patches.sgi.com/support/free/security/advisories/20070202-01-P.asc
    ftp://patches.sgi.com/support/free/security/advisories/20070301-01-P.asc
    http://fedoranews.org/cms/node/2713
    http://fedoranews.org/cms/node/2728
    http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00771742
    http://lists.suse.com/archive/suse-security-announce/2007-Mar/0001.html
    http://osvdb.org/33812
    http://rhn.redhat.com/errata/RHSA-2007-0077.html
    http://secunia.com/advisories/24205
    http://secunia.com/advisories/24287
    http://secunia.com/advisories/24290
    http://secunia.com/advisories/24320
    http://secunia.com/advisories/24328
    http://secunia.com/advisories/24333
    http://secunia.com/advisories/24342
    http://secunia.com/advisories/24343
    http://secunia.com/advisories/24384
    http://secunia.com/advisories/24395
    http://secunia.com/advisories/24455
    http://secunia.com/advisories/24457
    http://secunia.com/advisories/24650
    http://secunia.com/advisories/25588
    http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.338131
    http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.374851
    http://www.debian.org/security/2007/dsa-1336
    http://www.hardened-php.net/advisory_032007.142.html
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:050
    http://www.mozilla.org/security/announce/2007/mfsa2007-02.html
    http://www.novell.com/linux/security/advisories/2007_22_mozilla.html
    http://www.redhat.com/support/errata/RHSA-2007-0078.html
    http://www.redhat.com/support/errata/RHSA-2007-0079.html
    http://www.redhat.com/support/errata/RHSA-2007-0097.html
    http://www.redhat.com/support/errata/RHSA-2007-0108.html
    http://www.securityfocus.com/archive/1/461076/100/0/threaded
    http://www.securityfocus.com/archive/1/461336/100/0/threaded
    http://www.securityfocus.com/bid/22694
    http://www.securitytracker.com/id?1017702
    http://www.ubuntu.com/usn/usn-428-1
    http://www.vupen.com/english/advisories/2007/0718
    https://issues.rpath.com/browse/RPL-1103
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10086

    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