How severe is CVE-2015-2359?

CVE-2015-2359 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2015-2359 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-2359?

CVE-2015-2359 primarily affects Microsoft Exchange Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-2359?

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

When was CVE-2015-2359 published?

CVE-2015-2359 was published on 2015-06-10 and last updated on 2026-06-17.

CVE-2015-2359

CVE-2015-2359 is a medium-severity vulnerability in Microsoft Exchange Server with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Microsoft Exchange Server
Published: 2015-06-10
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in the web applications in Microsoft Exchange Server 2013 Cumulative Update 8 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, aka "Exchange HTML Injection Vulnerability."

Frequently asked questions

What is CVE-2015-2359?: Cross-site scripting (XSS) vulnerability in the web applications in Microsoft Exchange Server 2013 Cumulative Update 8 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, aka "Exchange HTML Injection Vulnerability."
How severe is CVE-2015-2359?: CVE-2015-2359 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2015-2359 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-2359?: CVE-2015-2359 primarily affects Microsoft Exchange Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-2359?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-2359 published?: CVE-2015-2359 was published on 2015-06-10 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_8:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2013:sp1:*:*:*:*:*:*

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