How severe is CVE-2012-2991?

CVE-2012-2991 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-2991 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-2012-2991?

CVE-2012-2991 primarily affects Oscommerce Online Merchant. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-2991?

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

When was CVE-2012-2991 published?

CVE-2012-2991 was published on 2012-09-19 and last updated on 2026-06-16.

CVE-2012-2991

CVE-2012-2991 is a medium-severity vulnerability in Oscommerce Online Merchant with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oscommerce Online Merchant
Published: 2012-09-19
Last modified: 2026-06-16

Description

The PayPal (aka MODULE_PAYMENT_PAYPAL_STANDARD) module before 1.1 in osCommerce Online Merchant before 2.3.4 allows remote attackers to set the payment recipient via a modified value of the merchant's e-mail address, as demonstrated by setting the recipient to one's self.

Frequently asked questions

What is CVE-2012-2991?: The PayPal (aka MODULE_PAYMENT_PAYPAL_STANDARD) module before 1.1 in osCommerce Online Merchant before 2.3.4 allows remote attackers to set the payment recipient via a modified value of the merchant's e-mail address, as demonstrated by setting the recipient to one's self.
How severe is CVE-2012-2991?: CVE-2012-2991 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-2991 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-2012-2991?: CVE-2012-2991 primarily affects Oscommerce Online Merchant. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-2991?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-2991 published?: CVE-2012-2991 was published on 2012-09-19 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:oscommerce:online_merchant:*:*:*:*:*:*:*:*
cpe:2.3:a:oscommerce:online_merchant:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oscommerce:online_merchant:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:oscommerce:online_merchant:2.3.2:*:*:*:*:*:*:*
cpe:2.3:a:paypal:website_payments_standard_module:*:*:*:*:*:*:*:*

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