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  4. CVE 2026 121970 pay with vipps and mobilepay for woocommerce
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Back to active CVEs
Medium · CVSS 6.3CVE-2026-121970

Pay with Vipps and MobilePay for WooCommerce before 6.4.1 Webhook Signature ForgeryCVE-2026-121970

Answer in brief

CVE-2026-121970 records a Medium severity (CVSS 6.3) vulnerability in Pay with Vipps and MobilePay for WooCommerce before 6.4.1 Webhook Signature Forgery. The current sources do not mark it as known exploited. The current feed maps wphostingdev/Pay with Vipps and MobilePay 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 Nov 4, 2026Updated Nov 4, 2026Source checked Nov 4, 2026First seen by HOL Nov 4, 2026Material review Nov 4, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 6.3. 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 wphostingdev/Pay with Vipps and MobilePay for WooCommerce (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
wphostingdev/Pay with Vipps and MobilePay for WooCommercegeneric>=5.0.0 <6.4.16.4.1

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for wphostingdev/Pay with Vipps and MobilePay for WooCommerce.
  2. 2Review the reported fix. Update wphostingdev/Pay with Vipps and MobilePay for WooCommerce to 6.4.1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Nov 4, 2026

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

  2. Source modified

    Nov 4, 2026

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

  3. First seen by HOL

    Nov 4, 2026

Sources and claim methodology

  • Source referenceplugins.trac.wordpress.org
  • Source referenceplugins.trac.wordpress.org
  • Source referencewordpress.org
  • Source referencevulncheck.com
Upstream source description

Pay with Vipps and MobilePay for WooCommerce (woo-vipps) before 6.4.1 contains an improper cryptographic signature verification vulnerability in the recurring-payment webhook handler that allows unauthenticated attackers to forge webhook requests when no local webhook secret is stored, because the code fails to return on an empty secret and computes an HMAC keyed with an empty string using a loose == comparison instead of hash_equals. Attackers can craft a recurring.agreement-stopped.v1 event with a known agreementId and a matching empty-key signature to cancel a victim's active WooCommerce subscription.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-347
Source
CVE List V5
Source checked
Nov 4, 2026
References
4 linked sources
Open source record