Improper Input Validation Affecting shopper/framework package, versions <2.9.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PHP-SHOPPERFRAMEWORK-20186884
- published28 Sept 2026
- disclosed11 Sept 2026
- creditUnknown
Introduced: 11 Sep 2026
NewCVE-2026-56831 (opens in a new tab)How to fix?
Upgrade shopper/framework to version 2.9.0 or higher.
Overview
Affected versions of this package are vulnerable to Improper Input Validation via the discount process. An attacker can manipulate financial calculations and produce unintended order totals by submitting negative values through the administrative interface, which are then persisted and processed without validation.