Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 process JavaScript event-handler attributes of a MARQUEE element within a sandboxed IFRAME element that lacks the sandbox="allow-scripts" attribute value, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-5262 from the MITRE CVE dictionary dictionary and NIST NVD.
Base Score | 4.3 |
---|---|
Base Metrics | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Access Vector | Network |
Access Complexity | Medium |
Authentication | None |
Confidentiality Impact | None |
Integrity Impact | Partial |
Availability Impact | None |
CVSS3 Base Score | 6.1 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Attack Vector | Network |
Attack Complexity | Low |
Privileges Required | None |
User Interaction | Required |
Scope | Changed |
Confidentiality | Low |
Integrity Impact | Low |
Availability Impact | None |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Platform | Errata | Release Date |
---|---|---|
Red Hat Enterprise Linux 6 (firefox) | RHSA-2016:1551 | 2016-08-03 |
Red Hat Enterprise Linux 7 (firefox) | RHSA-2016:1551 | 2016-08-03 |
Red Hat Enterprise Linux 5 (firefox) | RHSA-2016:1551 | 2016-08-03 |
Platform | Package | State |
---|---|---|
Red Hat Enterprise Linux 7 | thunderbird | Not affected |
Red Hat Enterprise Linux 6 | thunderbird | Not affected |
Red Hat Enterprise Linux 5 | thunderbird | Not affected |