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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2026-103331

UniPAY Payment Gateway For WooCommerce <= 2.3 - Unauthenticated Order Payment Forgery via Empty IPN SecretCVE-2026-103331

Answer in brief

CVE-2026-103331 records a Unknown severity vulnerability in UniPAY Payment Gateway For WooCommerce <= 2.3 - Unauthenticated Order Payment Forgery via Empty IPN Secret. The current sources do not mark it as known exploited. The current feed maps Unknown/UniPAY Payment Gateway For WooCommerce (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 28, 2026Updated Oct 28, 2026Source checked Oct 28, 2026First seen by HOL Oct 28, 2026Material review Oct 28, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Unknown/UniPAY Payment Gateway For WooCommerce (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Unknown/UniPAY Payment Gateway For WooCommercegeneric>=0 <=2.3Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Unknown/UniPAY Payment Gateway For WooCommerce.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Oct 28, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 28, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 28, 2026

Sources and claim methodology

  • Source referencewpscan.com
Upstream source description

The UniPAY Payment Gateway For WooCommerce WordPress plugin through 2.3 does not properly verify the authenticity of payment notifications, as their signature is checked against a merchant secret that is empty by default, allowing unauthenticated attackers to forge a valid notification and mark arbitrary orders as paid.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-287
Source
CVE List V5
Source checked
Oct 28, 2026
References
1 linked source
Open source record