Mozilla Firefox before 27.0 and SeaMonkey before 2.24 allow remote attackers to bypass the Same Origin Policy and obtain sensitive information by using an IFRAME element in conjunction with certain timing measurements involving the document.caretPositionFromPoint and document.elementFromPoint functions.
Conclusion & alert: CVE-2014-1483 is rated Moderate Risk (51/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.47%). Core evidence: EPSS rose +2.19% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.28% | 2.47% | +2.19% |
| 2 | 2025-03-30 | 0.94% | 0.28% | -0.66% |
| 3 | 2025-03-29 | — | 0.94% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2014-1483: 1 GLSA(s) (201504-01), 7 atom(s) (dev-libs/nspr, mail-client/thunderbird, …); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-1483 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2014-1483 |
suse
|
critical | CVE-2014-1483 severity critical: SUSE including 74 source package names (MozillaFirefox-140.2.0-160000.1.2, MozillaFirefox-24.3.0esr-0.4.2.1, …), 144 product×package rows across 32 product lines (SUSE Linux Enterprise Desktop 11 SP3, SUSE Linux Enterprise Desktop 12, … (32 product lines)): Fixed 144. | https://www.suse.com/security/cve/CVE-2014-1483/ |
ubuntu
|
medium | CVE-2014-1483 medium priority: Ubuntu including 1 source packages (firefox), 5 status rows across 5 suites (lucid, precise, quantal, saucy, upstream): released 4, ignored 1. | https://ubuntu.com/security/CVE-2014-1483 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| oracle | solaris | 11.3 | cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* |
| canonical | ubuntu_linux | 12.10 | cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 13.10 | cpe:2.3:o:canonical:ubuntu_linux:13.10:*:*:*:*:*:*:* |
| mozilla | firefox | < 27.0 | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |
| mozilla | seamonkey | < 2.24 | cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* |
| suse | suse_linux_enterprise_software_development_kit | 11.0 | cpe:2.3:a:suse:suse_linux_enterprise_software_development_kit:11.0:sp3:*:*:*:*:*:* |
| opensuse | opensuse | 11.4 | cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* |
| opensuse | opensuse | 12.3 | cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.1 | cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* |
| suse | linux_enterprise_desktop | 11 | cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3:*:*:*:*:*:* |
| suse | linux_enterprise_server | 11 | cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:-:*:* |
| suse | linux_enterprise_server | 11 | cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:vmware:*:* |