How severe is CVE-2011-3254?

CVE-2011-3254 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-3254 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-3254?

CVE-2011-3254 primarily affects Apple Iphone Os. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-3254?

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

When was CVE-2011-3254 published?

CVE-2011-3254 was published on 2011-10-14 and last updated on 2026-06-16.

CVE-2011-3254

CVE-2011-3254 is a medium-severity vulnerability in Apple Iphone Os with a CVSS 2.0 base score of 4.3. 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-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Apple Iphone Os
Published: 2011-10-14
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in Calendar in Apple iOS before 5 allows remote attackers to inject arbitrary web script or HTML via an invitation note.

Frequently asked questions

What is CVE-2011-3254?: Cross-site scripting (XSS) vulnerability in Calendar in Apple iOS before 5 allows remote attackers to inject arbitrary web script or HTML via an invitation note.
How severe is CVE-2011-3254?: CVE-2011-3254 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-3254 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3254?: CVE-2011-3254 primarily affects Apple Iphone Os. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-3254?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-3254 published?: CVE-2011-3254 was published on 2011-10-14 and last updated on 2026-06-16.

References

Affected products (13)

cpe:2.3:o:apple:iphone_os:4.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.2.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.2.5:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.2.8:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.2.9:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.3.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.3.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.3.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.3.3:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.3.4:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.3.5:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.3.5:-:ipad:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.3.5:-:ipodtouch:*:*:*:*:*

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