Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Unauthenticated network-accessible endpoint with no complexity; scope unchanged; only limited integrity and availability impact confirmed, no confidentiality exposure.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
2DescriptionCVE.org
Improper Access Control vulnerability in Themeisle PPOM for WooCommerce allows Exploiting Incorrectly Configured Access Control Security Levels.
This issue affects PPOM for WooCommerce: from n/a through 33.0.18.
AnalysisAI
Improper access control in PPOM for WooCommerce (all versions through 33.0.18) enables unauthenticated remote attackers to bypass access controls and perform unauthorized operations affecting the integrity and availability of affected WooCommerce stores. Classified under CWE-284 and confirmed as an authentication bypass by Patchstack, the flaw exposes plugin-managed product option data to manipulation or disruption without requiring any credentials. No public exploit code has been identified at time of analysis, and the vulnerability has not been added to CISA KEV.
Technical ContextAI
PPOM for WooCommerce is a Themeisle plugin that extends WooCommerce product pages with per-product customization options such as custom fields and add-ons. The root cause is CWE-284 (Improper Access Control), specifically falling under the 'Exploiting Incorrectly Configured Access Control Security Levels' pattern. WordPress plugins commonly register AJAX handlers or REST API endpoints; broken access control arises when WordPress capability checks (e.g., current_user_can()) are absent, misapplied, or checked at the wrong hook priority, allowing unauthenticated callers to reach privileged functionality. The full affected scope is expressed by CPE cpe:2.3:a:themeisle:ppom_for_woocommerce covering all versions through 33.0.18.
RemediationAI
The primary remediation is to update PPOM for WooCommerce to the version released after 33.0.18; the exact patched version number is not independently confirmed in the available intelligence, so the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/woocommerce-product-addon/vulnerability/wordpress-ppom-for-woocommerce-plugin-33-0-18-broken-access-control-vulnerability should be consulted directly for the confirmed fix version. If an immediate update is not feasible, restrict access to the WordPress admin panel and WooCommerce AJAX or REST API endpoints at the WAF or web server layer to trusted IP ranges - note this will degrade legitimate customer-facing product option functionality. As a last resort, deactivating the PPOM plugin eliminates the attack surface at the cost of losing product add-on functionality until a patch is applied.
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Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-39398
GHSA-qp5v-h8qw-wpmh