How severe is CVE-2009-3757?

CVE-2009-3757 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-3757 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3757?

CVE-2009-3757 affects Citrix Xencenterweb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-3757?

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

When was CVE-2009-3757 published?

CVE-2009-3757 was published on 2009-10-22 and last updated on 2026-06-16.

CVE-2009-3757

CVE-2009-3757 is a medium-severity vulnerability in Citrix Xencenterweb 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: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Citrix Xencenterweb
Published: 2009-10-22
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in sample code in the XenServer Resource Kit in Citrix XenCenterWeb allow remote attackers to inject arbitrary web script or HTML via the (1) username parameter to config/edituser.php; (2) location, (3) sessionid, and (4) vmname parameters to console.php; (5) vmrefid and (6) vmname parameters to forcerestart.php; and (7) vmname and (8) vmrefid parameters to forcesd.php. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2009-3757?: Multiple cross-site scripting (XSS) vulnerabilities in sample code in the XenServer Resource Kit in Citrix XenCenterWeb allow remote attackers to inject arbitrary web script or HTML via the (1) username parameter to config/edituser.php; (2) location, (3) sessionid, and (4) vmname parameters to console.php; (5) vmrefid and (6) vmname parameters to forcerestart.php; and (7) vmname and (8) vmrefid parameters to forcesd.php. NOTE: some of these details are obtained from third party information.
How severe is CVE-2009-3757?: CVE-2009-3757 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-3757 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3757?: CVE-2009-3757 affects Citrix Xencenterweb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-3757?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-3757 published?: CVE-2009-3757 was published on 2009-10-22 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:citrix:xencenterweb:*:*:*:*:*:*:*:*

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