EUVD-2026-89890
GHSA-24f4-x6jv-f3jh
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CSRF forges a state-changing request so integrity is the primary impact (I:H); PR:N since the attacker is unauthenticated and UI:R since a logged-in victim must be lured, but broad C:H/A:H is not substantiated by the sparse description.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
4DescriptionCVE.org
Unauthenticated Cross Site Request Forgery (CSRF) in Blacklist Manager – WooCommerce Anti-Fraud, Blacklist & Checkout Verification <= 2.3.1 versions.
AnalysisAI
Cross-site request forgery in the WordPress plugin Blacklist Manager - WooCommerce Anti-Fraud, Blacklist & Checkout Verification (versions through 2.3.1) lets a remote, unauthenticated attacker forge state-changing requests that execute with the privileges of a logged-in victim who loads attacker-controlled content. Exploitation is not autonomous: it requires an authenticated user with a live session - typically an administrator or shop manager - on a site where WooCommerce and this plugin are both installed and active, and that user must be tricked into visiting a malicious page (CVSS UI:R, PR:N means the attacker needs no credentials of their own, not that the victim is anonymous). …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated victim with an active session on a site running Blacklist Manager - WooCommerce Anti-Fraud, Blacklist & Checkout Verification <= 2.3.1, and that victim must be tricked (UI:R) into loading attacker-controlled content while logged in - the forged request rides their session cookie. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The published CVSS 3.1 base score is 8.8 (High) via the vector AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, which is unusually high for a CSRF (CWE-352) issue because Patchstack has rated all three impacts as High. … 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 | No vendor-released patch is identified at time of analysis, and no fixed version number is specified in the available data, so 2.3.1 should be treated as the last known vulnerable release rather than a safe baseline; the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/wc-blacklist-manager/vulnerability/wordpress-blacklist-manager-8211-woocommerce-anti-fraud-blacklist-amp-checkout-verification-plugin-2-3-1-cross-site-request-forgery-csrf-vulnerability?_s_id=cve should be monitored for a patched version and applied immediately once published. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: inventory every WordPress/WooCommerce site running Blacklist Manager - WooCommerce Anti-Fraud, Blacklist & Checkout Verification at version 2.3.1 or earlier, and where alternative fraud coverage exists, deactivate and remove the plugin immediately; where it does not, instruct administrators and shop managers to perform administrative work only in a dedicated, cookie-isolated browser profile, confirm WordPress authentication cookies are set SameSite=Lax or Strict, and review current blacklist, whitelist, and checkout verification settings plus recent WooCommerce order logs for unauthorized changes. …
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Same weakness CWE-352 – Cross-Site Request Forgery (CSRF)
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External POC / Exploit Code
Leaving vuln.today