osCommerce osCommerce2 Payment payment.php include code injection

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

No collected risk observation for these identifiers. This does not establish absence of exploitation or a zero probability.

A vulnerability was identified in osCommerce osCommerce2 up to 2.3.4.1. This affects the function include of the file includes/classes/payment.php of the component Payment Page. Such manipulation of the argument MODULE_PAYMENT_INSTALLED leads to code injection. The attack can be executed remotely. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

Source published

5 Oct 2026 04:15:06 UTC

Source modified

5 Oct 2026 13:26:18 UTC

Observed here

23 Oct 2026 15:48:27 UTC

Source terms

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CVSS 4.0 · 4.8 CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CVSS 3.1 · 4.3 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C

CVSS 3.0 · 4.3 CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C

CVSS 2.0 · 5.8 AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:ND/RC:C