Is CVE-2014-1483 in the CISA KEV catalog?

No. CVE-2014-1483 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-1483?

CVE-2014-1483 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2014-1483?

CVE-2014-1483 has an EPSS score of 2.47% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2014-1483?

Upgrade DeveloperEdition to 27.0 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2014-1483

MEDIUMEPSS 83th pctl

5.0

CVSS v2

NVD

Description

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.

CWE-1021

How to fix

Remediation Available

DeveloperEditionWindows application

Affected:27.0Fixed in:27.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:27.0Fixed in:27.0Mozilla

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.47%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Vendor Advisory2

Third-Party Advisory11

Other references6

Embed a live status badge for CVE-2014-1483

Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.