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    CVE-2012-5841

    Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 implement cross-origin wrappers with a filtering behavior that does not properly restrict write actions, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site.

    Published:Nov 20, 2012
    Last Modified:Apr 11, 2025
    EPS:Nov 21, 2012
    EPSS Score:0.01544
    CVSS Score:4.3

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Seamonkey
    Vendor
    Mozilla
    Product
    Thunderbird
    Vendor
    Mozilla
    Product
    Thunderbird Esr
    Vendor
    Opensuse
    Product
    Opensuse
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Desktop
    Vendor
    Redhat
    Product
    Enterprise Linux Eus
    Vendor
    Redhat
    Product
    Enterprise Linux Server
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation
    Vendor
    Suse
    Product
    Linux Enterprise Desktop
    Vendor
    Suse
    Product
    Linux Enterprise Server
    Vendor
    Suse
    Product
    Linux Enterprise Software Development Kit

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
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    References

    http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.html
    http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.html
    http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.html
    http://lists.opensuse.org/opensuse-updates/2012-11/msg00092.html
    http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.html
    http://osvdb.org/87588
    http://rhn.redhat.com/errata/RHSA-2012-1482.html
    http://rhn.redhat.com/errata/RHSA-2012-1483.html
    http://secunia.com/advisories/51359
    http://secunia.com/advisories/51360
    http://secunia.com/advisories/51369
    http://secunia.com/advisories/51370
    http://secunia.com/advisories/51381
    http://secunia.com/advisories/51434
    http://secunia.com/advisories/51439
    http://secunia.com/advisories/51440
    http://www.mandriva.com/security/advisories?name=MDVSA-2012:173
    http://www.mozilla.org/security/announce/2012/mfsa2012-100.html
    http://www.securityfocus.com/bid/56631
    http://www.ubuntu.com/usn/USN-1636-1
    http://www.ubuntu.com/usn/USN-1638-1
    http://www.ubuntu.com/usn/USN-1638-2
    http://www.ubuntu.com/usn/USN-1638-3
    https://bugzilla.mozilla.org/show_bug.cgi?id=805807
    https://exchange.xforce.ibmcloud.com/vulnerabilities/80178
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16590
    http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.html
    http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.html
    http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.html
    http://lists.opensuse.org/opensuse-updates/2012-11/msg00092.html
    http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.html
    http://osvdb.org/87588
    http://rhn.redhat.com/errata/RHSA-2012-1482.html
    http://rhn.redhat.com/errata/RHSA-2012-1483.html
    http://secunia.com/advisories/51359
    http://secunia.com/advisories/51360
    http://secunia.com/advisories/51369
    http://secunia.com/advisories/51370
    http://secunia.com/advisories/51381
    http://secunia.com/advisories/51434
    http://secunia.com/advisories/51439
    http://secunia.com/advisories/51440
    http://www.mandriva.com/security/advisories?name=MDVSA-2012:173
    http://www.mozilla.org/security/announce/2012/mfsa2012-100.html
    http://www.securityfocus.com/bid/56631
    http://www.ubuntu.com/usn/USN-1636-1
    http://www.ubuntu.com/usn/USN-1638-1
    http://www.ubuntu.com/usn/USN-1638-2
    http://www.ubuntu.com/usn/USN-1638-3
    https://bugzilla.mozilla.org/show_bug.cgi?id=805807
    https://exchange.xforce.ibmcloud.com/vulnerabilities/80178
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16590

    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