How severe is CVE-2005-0563?

CVE-2005-0563 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2005-0563 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-0563?

CVE-2005-0563 affects Microsoft Exchange Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2005-0563?

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

When was CVE-2005-0563 published?

CVE-2005-0563 was published on 2005-06-14 and last updated on 2026-06-16.

CVE-2005-0563

CVE-2005-0563 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 14% places it in the 96th 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: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Microsoft Exchange Server
Published: 2005-06-14
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in Microsoft Outlook Web Access (OWA) component in Exchange Server 5.5 allows remote attackers to inject arbitrary web script or HTML via an email message with an encoded javascript: URL ("jav&#X41sc
ript:") in an IMG tag.

Frequently asked questions

What is CVE-2005-0563?: Cross-site scripting (XSS) vulnerability in Microsoft Outlook Web Access (OWA) component in Exchange Server 5.5 allows remote attackers to inject arbitrary web script or HTML via an email message with an encoded javascript: URL ("jav&#X41sc
ript:") in an IMG tag.
How severe is CVE-2005-0563?: CVE-2005-0563 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2005-0563 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-0563?: CVE-2005-0563 affects Microsoft Exchange Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-0563?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-0563 published?: CVE-2005-0563 was published on 2005-06-14 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:microsoft:exchange_server:5.5:-:*:*:*:*:*:*

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