How severe is CVE-2014-1346?

CVE-2014-1346 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-1346 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-1346?

CVE-2014-1346 primarily affects Apple Safari. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-1346?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-1346 published?

CVE-2014-1346 was published on 2014-05-22 and last updated on 2026-06-17.

CVE-2014-1346

CVE-2014-1346 is a medium-severity vulnerability in Apple Safari with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Apple Safari
Published: 2014-05-22
Last modified: 2026-06-17

Description

WebKit, as used in Apple Safari before 6.1.4 and 7.x before 7.0.4, does not properly interpret Unicode encoding, which allows remote attackers to spoof a postMessage origin, and bypass intended restrictions on sending a message to a connected frame or window, via crafted characters in a URL.

Frequently asked questions

What is CVE-2014-1346?: WebKit, as used in Apple Safari before 6.1.4 and 7.x before 7.0.4, does not properly interpret Unicode encoding, which allows remote attackers to spoof a postMessage origin, and bypass intended restrictions on sending a message to a connected frame or window, via crafted characters in a URL.
How severe is CVE-2014-1346?: CVE-2014-1346 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-1346 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-1346?: CVE-2014-1346 primarily affects Apple Safari. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-1346?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-1346 published?: CVE-2014-1346 was published on 2014-05-22 and last updated on 2026-06-17.

References

Affected products (14)

cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:6.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:6.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:6.0.2:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:6.0.3:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:6.0.4:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:6.0.5:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:6.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:6.1.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:6.1.2:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:7.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:7.0.3:*:*:*:*:*:*:*

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