CVE Explorer

CVE-2026-1305

The Japanized for WooCommerce plugin for WordPress is vulnerable to Improper Authentication in versions up to, and including, 2.8.4. This is due to a flawed permission check in the `paidy_webhook_permission_check` function that unconditionally returns `true` when the webhook signature header is omitted. This makes it possible for unauthenticated attackers to bypass payment verification and fraudulently mark orders as "Processing" or "Completed" without actual payment via a crafted POST request t

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c56012438e98b112f0e61b8c096d362af2b48146cec2428e92300a3b2c1b4537

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","product":"Japanized for WooCommerce","vendor":"shoheitanaka","versions":[{"lessThanOrEqual":"2.8.4","status":"affected","version":"0","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:36b364973b475680523d7ec7f60f5c2683a4688c98ba07b1063612ba0babacbb · sha256:8fb3b726a514da53… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:36b364973b475680523d7ec7f60f5c2683a4688c98ba07b1063612ba0babacbb · sha256:8fb3b726a514da53… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-287","description":"CWE-287 Improper Authentication","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:36b364973b475680523d7ec7f60f5c2683a4688c98ba07b1063612ba0babacbb · sha256:8fb3b726a514da53… · /containers/cna/problemTypes/0/descriptions/0

Source references

6 source assertions

{"url":"https://plugins.trac.wordpress.org/browser/woocommerce-for-japan/tags/2.8.2/includes/gateways/paidy/class-wc-paidy-endpoint.php#L108"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:36b364973b475680523d7ec7f60f5c2683a4688c98ba07b1063612ba0babacbb · sha256:8fb3b726a514da53… · /containers/cna/references/3

{"url":"https://plugins.trac.wordpress.org/browser/woocommerce-for-japan/tags/2.8.2/includes/gateways/paidy/class-wc-paidy-endpoint.php#L63"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:36b364973b475680523d7ec7f60f5c2683a4688c98ba07b1063612ba0babacbb · sha256:8fb3b726a514da53… · /containers/cna/references/4

{"url":"https://plugins.trac.wordpress.org/browser/woocommerce-for-japan/trunk/includes/gateways/paidy/class-wc-paidy-endpoint.php#L108"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:36b364973b475680523d7ec7f60f5c2683a4688c98ba07b1063612ba0babacbb · sha256:8fb3b726a514da53… · /containers/cna/references/2

{"url":"https://plugins.trac.wordpress.org/browser/woocommerce-for-japan/trunk/includes/gateways/paidy/class-wc-paidy-endpoint.php#L63"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:36b364973b475680523d7ec7f60f5c2683a4688c98ba07b1063612ba0babacbb · sha256:8fb3b726a514da53… · /containers/cna/references/1

{"url":"https://plugins.trac.wordpress.org/changeset/3464868/woocommerce-for-japan/trunk/includes/gateways/paidy/class-wc-paidy-endpoint.php"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:36b364973b475680523d7ec7f60f5c2683a4688c98ba07b1063612ba0babacbb · sha256:8fb3b726a514da53… · /containers/cna/references/5

{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/8cef4b2b-ae8d-4e18-b763-6960a0b944f7?source=cve"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:36b364973b475680523d7ec7f60f5c2683a4688c98ba07b1063612ba0babacbb · sha256:8fb3b726a514da53… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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