How severe is CVE-2011-4265?

CVE-2011-4265 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-4265 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4265?

CVE-2011-4265 primarily affects Phpwebsite. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-4265?

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

When was CVE-2011-4265 published?

CVE-2011-4265 was published on 2011-12-08 and last updated on 2026-06-16.

CVE-2011-4265

CVE-2011-4265 is a medium-severity vulnerability in Phpwebsite 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% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Phpwebsite
Published: 2011-12-08
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in phpWebSite before 1.0.0 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Frequently asked questions

What is CVE-2011-4265?: Cross-site scripting (XSS) vulnerability in phpWebSite before 1.0.0 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
How severe is CVE-2011-4265?: CVE-2011-4265 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-4265 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4265?: CVE-2011-4265 primarily affects Phpwebsite. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-4265?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4265 published?: CVE-2011-4265 was published on 2011-12-08 and last updated on 2026-06-16.

References

Affected products (16)

cpe:2.3:a:phpwebsite:phpwebsite:*:*:*:*:*:*:*:*
cpe:2.3:a:phpwebsite:phpwebsite:0.7.3:*:*:*:*:*:*:*
cpe:2.3:a:phpwebsite:phpwebsite:0.8.2:*:*:*:*:*:*:*
cpe:2.3:a:phpwebsite:phpwebsite:0.8.3:*:*:*:*:*:*:*
cpe:2.3:a:phpwebsite:phpwebsite:0.9.0:*:*:*:*:*:*:*
cpe:2.3:a:phpwebsite:phpwebsite:0.9.1:*:*:*:*:*:*:*
cpe:2.3:a:phpwebsite:phpwebsite:0.9.2:*:*:*:*:*:*:*
cpe:2.3:a:phpwebsite:phpwebsite:0.9.2.1:*:*:*:*:*:*:*
cpe:2.3:a:phpwebsite:phpwebsite:0.9.3:*:*:*:*:*:*:*
cpe:2.3:a:phpwebsite:phpwebsite:0.9.3.1:*:*:*:*:*:*:*
cpe:2.3:a:phpwebsite:phpwebsite:0.9.3.2:*:*:*:*:*:*:*
cpe:2.3:a:phpwebsite:phpwebsite:0.9.3.3:*:*:*:*:*:*:*
cpe:2.3:a:phpwebsite:phpwebsite:0.10:*:*:*:*:*:*:*
cpe:2.3:a:phpwebsite:phpwebsite:0.10.0:*:*:*:*:*:*:*
cpe:2.3:a:phpwebsite:phpwebsite:0.10.1:*:*:*:*:*:*:*
cpe:2.3:a:phpwebsite:phpwebsite:0.10.2:*:*:*:*:*:*:*

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