How severe is CVE-2012-0311?

CVE-2012-0311 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-0311 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0311?

CVE-2012-0311 primarily affects Oscommerce. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-0311?

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

When was CVE-2012-0311 published?

CVE-2012-0311 was published on 2012-01-26 and last updated on 2026-06-16.

CVE-2012-0311

CVE-2012-0311 is a medium-severity vulnerability in Oscommerce 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% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Oscommerce
Published: 2012-01-26
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in osCommerce 2.2MS1J before R9 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Frequently asked questions

What is CVE-2012-0311?: Cross-site scripting (XSS) vulnerability in osCommerce 2.2MS1J before R9 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
How severe is CVE-2012-0311?: CVE-2012-0311 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-0311 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0311?: CVE-2012-0311 primarily affects Oscommerce. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-0311?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-0311 published?: CVE-2012-0311 was published on 2012-01-26 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:a:oscommerce:oscommerce:2.2ms1j-r1:*:*:*:*:*:*:*
cpe:2.3:a:oscommerce:oscommerce:2.2ms1j-r2:*:*:*:*:*:*:*
cpe:2.3:a:oscommerce:oscommerce:2.2ms1j-r3:*:*:*:*:*:*:*
cpe:2.3:a:oscommerce:oscommerce:2.2ms1j-r4:*:*:*:*:*:*:*
cpe:2.3:a:oscommerce:oscommerce:2.2ms1j-r5:*:*:*:*:*:*:*
cpe:2.3:a:oscommerce:oscommerce:2.2ms1j-r6a:*:*:*:*:*:*:*
cpe:2.3:a:oscommerce:oscommerce:2.2ms1j-r7:*:*:*:*:*:*:*
cpe:2.3:a:oscommerce:oscommerce:2.2ms1j-r8:*:*:*:*:*:*:*

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