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WebToffee Gift Cards EUVDEUVD-2026-91214

| CVE-2026-91020 MEDIUM
External Control of Assumed-Immutable Web Parameter (CWE-472)
2026-10-02 WPScan GHSA-5v9w-gc32-w7g2
5.3
CVSS 3.1 · Vendor: WPScan
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Severity by source

Vendor (WPScan) PRIMARY
5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
vuln.today AI
5.3 MEDIUM

Unauthenticated network request with no interaction (AV:N/AC:L/PR:N/UI:N); only integrity is affected via order-total manipulation (I:L), with no confidentiality or availability impact.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (WPScan).

CVSS VectorVendor: WPScan

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

4
Patch available
Oct 02, 2026 - 08:01 EUVD
Metadata Corrected
Oct 02, 2026 - 07:40 vuln.today
tag: Woocommerce added
Analysis Generated
Oct 02, 2026 - 07:36 vuln.today
CVE Published
Oct 02, 2026 - 06:56 cve.org
MEDIUM 5.3

DescriptionCVE.org

The WebToffee Gift Cards for WooCommerce WordPress plugin before 1.3.1 does not validate a user-supplied gift card amount server-side before using it as the cart-item price and store-credit coupon value, allowing unauthenticated users to submit an arbitrary or negative amount, bypassing the configured denominations and manipulating the order total to obtain products without paying.

AnalysisAI

Unauthenticated attackers can manipulate gift-card amounts in WebToffee Gift Cards for WooCommerce before 1.3.1 to bypass configured denominations and reduce or eliminate order totals, obtaining products without full payment. Publicly available exploit code exists, and the CVSS:3.1 vector AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N confirms remote, unauthenticated, no-user-interaction exploitation with low integrity impact only. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitable only against WordPress sites running the WebToffee 'Gift Cards for WooCommerce' plugin at a version before 1.3.1, with WooCommerce gift-card purchasing enabled on the storefront. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a business-logic / improper input-validation flaw (missing server-side validation of the user-supplied gift card amount) rather than a memory-safety or code-execution bug. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Vendor-released patch: upgrade WebToffee Gift Cards for WooCommerce to version 1.3.1 or later; versions before 1.3.1 are vulnerable. … Detailed patch versions, workarounds, and compensating controls in full report.

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EUVD-2026-91214 vulnerability details – vuln.today

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