wpcodefactory Customer Email Verification Plugin up to 3.3.0 on WordPress alg_wc_ev_generate_user_code alg_wc_ev_verify_email privileges management

Summaryinfo

A vulnerability described as critical has been identified in wpcodefactory Customer Email Verification Plugin up to 3.3.0. Affected by this issue is the function alg_wc_ev_generate_user_code of the component Email Verification. Executing a manipulation of the argument alg_wc_ev_verify_email can lead to privileges management. This vulnerability appears as CVE-2026-104745. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in wpcodefactory Customer Email Verification Plugin up to 3.3.0. This vulnerability affects the function alg_wc_ev_generate_user_code of the component Email Verification. The manipulation of the argument alg_wc_ev_verify_email with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The Customer Email Verification for WooCommerce plugin for WordPress is vulnerable to Privilege Escalation via the `alg_wc_ev_verify_email` parameter in versions up to, and including, 3.3.0. The vulnerability exists because `alg_wc_ev_generate_user_code()` generates the per-user activation secret using `wp_rand(100)` when the plugin's 'Encoding method' is set to 'hashids', producing only ~101 possible values (~7 bits of entropy); the resulting token is a reversible Hashids encoding with no cryptographic MAC, and the unauthenticated `verify()` handler — hooked to `init` at `PHP_INT_MAX` with no nonce check and no rate limiting — accepts and acts on the attacker-controlled `?alg_wc_ev_verify_email=` GET parameter directly. This makes it possible for unauthenticated attackers to gain authentication as any unverified WordPress account, including administrator-level accounts, by brute-forcing the trivially small activation code space via a forged verification URL. Exploitation requires that the 'Encoding method' setting be changed to 'hashids' (non-default), that the attacker recover or brute-force the Hashids salt (which defaults to an `md5(time())` value set at first initialization), and that the target account's email address remain unverified.

The advisory is shared for download at wordfence.com. This vulnerability was named CVE-2026-104745 since 10/02/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/16/2026). The MITRE ATT&CK project declares the attack technique as T1068.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• WordPress Plugin

Vendor

• wpcodefactory

Name

• Customer Email Verification Plugin

Version

• 3.0
• 3.1
• 3.2
• 3.3.0

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CPE 2.2info

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