How severe is CVE-2009-4963?

CVE-2009-4963 has a CVSS 2.0 base score of 3.5, rated low severity.

Is CVE-2009-4963 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4963?

CVE-2009-4963 primarily affects Typo3 Commerce Extension. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4963?

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

When was CVE-2009-4963 published?

CVE-2009-4963 was published on 2010-07-28 and last updated on 2026-06-16.

CVE-2009-4963

CVE-2009-4963 is a low-severity vulnerability in Typo3 Commerce Extension with a CVSS 2.0 base score of 3.5. 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: Low (CVSS 2.0 base score 3.5)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Typo3 Commerce Extension
Published: 2010-07-28
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in the Commerce extension before 0.9.9 for TYPO3 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.

Frequently asked questions

What is CVE-2009-4963?: Cross-site scripting (XSS) vulnerability in the Commerce extension before 0.9.9 for TYPO3 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.
How severe is CVE-2009-4963?: CVE-2009-4963 has a CVSS 2.0 base score of 3.5, rated low severity.
Is CVE-2009-4963 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4963?: CVE-2009-4963 primarily affects Typo3 Commerce Extension. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4963?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4963 published?: CVE-2009-4963 was published on 2010-07-28 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:typo3:commerce_extension:*:*:*:*:*:*:*:*
cpe:2.3:a:typo3:commerce_extension:0.8.32:*:*:*:*:*:*:*
cpe:2.3:a:typo3:commerce_extension:0.8.35:*:*:*:*:*:*:*
cpe:2.3:a:typo3:commerce_extension:0.9.0:*:*:*:*:*:*:*
cpe:2.3:a:typo3:commerce_extension:0.9.5:*:*:*:*:*:*:*
cpe:2.3:a:typo3:commerce_extension:0.9.6:*:*:*:*:*:*:*
cpe:2.3:a:typo3:commerce_extension:0.9.7:*:*:*:*:*:*:*

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