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    CVE-2012-5837

    The Web Developer Toolbar in Mozilla Firefox before 17.0 executes script with chrome privileges, which allows user-assisted remote attackers to conduct cross-site scripting (XSS) attacks via a crafted string.

    Published:Nov 20, 2012
    Last Modified:Apr 11, 2025
    EPS:Nov 21, 2012
    EPSS Score:0.01642
    CVSS Score:6.8

    Affected Products

    Vendor
    Mozilla
    Product
    Firefox

    Exploits

    No exploit reference

    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

    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/87586
    http://secunia.com/advisories/51369
    http://secunia.com/advisories/51434
    http://secunia.com/advisories/51439
    http://www.mozilla.org/security/announce/2012/mfsa2012-102.html
    http://www.securityfocus.com/bid/56645
    http://www.ubuntu.com/usn/USN-1638-1
    http://www.ubuntu.com/usn/USN-1638-3
    https://bugzilla.mozilla.org/show_bug.cgi?id=800363
    https://exchange.xforce.ibmcloud.com/vulnerabilities/80180
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16542
    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/87586
    http://secunia.com/advisories/51369
    http://secunia.com/advisories/51434
    http://secunia.com/advisories/51439
    http://www.mozilla.org/security/announce/2012/mfsa2012-102.html
    http://www.securityfocus.com/bid/56645
    http://www.ubuntu.com/usn/USN-1638-1
    http://www.ubuntu.com/usn/USN-1638-3
    https://bugzilla.mozilla.org/show_bug.cgi?id=800363
    https://exchange.xforce.ibmcloud.com/vulnerabilities/80180
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16542

    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