Weakness (CWE)
CWE-287: Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
How to prevent it (1 mitigation)
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Architecture and Design
Use an authentication framework or library such as the OWASP ESAPI Authentication feature.
Source: MITRE CWE-287
1,199 results · Clear filters · Feed
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High 8.1
Login & Register Forms < 4.0.2 - Unauthenticated Account Takeover via Password Reset Code Brute Force
The Login & Register Forms WordPress plugin before 4.0.2 does not enforce its password reset attempt limit against a server-derived value, keying both the verification code and the per-source attempt counter on client-controlled data, allowing unauthenticated…
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High 8.1
Login & Register Forms < 4.0.2 - Unauthenticated Account Takeover via Password Reset Verification State Keyed on a Client-Supplied Address Header
The Login & Register Forms WordPress plugin before 4.0.2 does not bind the password reset verification state to the account being reset or to the party that completed the verification, keying it instead on a value the client controls, allowing unauthenticated…
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High 8.2
Arvow AI SEO Writer < 1.5.4 - Unauthenticated Arbitrary Post Creation via Webhook Secret Type-Juggling
The Arvow AI SEO Writer WordPress plugin before 1.5.4 does not properly restrict access to one of its REST endpoints, whose only access control can be bypassed by unauthenticated users through type juggling when the Arvow AI SEO Writer WordPress plugin before…
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High 7.3
code-projects Task Management System Login index.php improper authentication
A vulnerability was detected in code-projects Task Management System 1.0. Affected is an unknown function of the file /index.php of the component Login. Performing a manipulation of the argument Password results in improper authentication. The attack is possi…
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High 7.7
Dell OpenManage Server Administrator, versions prior to 11.1.0.2, contains an Improper Authentication vulnerability. An…
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High 8.1
MStore API < 4.21.0 - Unauthenticated Account Takeover via Firebase Phone Authentication
The MStore API WordPress plugin before 4.21.0 does not correctly verify the cryptographic signature of the token used to authenticate its phone-based login, allowing unauthenticated attackers who know a registered user's phone number to forge a token and take…
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High 8.1
Statamic: Account takeover via OAuth email matching without email-verification check
Statamic is a Laravel and Git powered content management system (CMS). Prior to 5.74.1 and 6.24.0, when OAuth login was enabled with a provider that does not guarantee verified email addresses, an unauthenticated attacker could sign in as an existing user, po…
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High 8.5
Decidim: JWT-backed authentication can be replayed across organizations
Decidim is a participatory democracy framework. Prior to 0.31.5 and in 0.32.0.rc1 before 0.32.0.rc2, JWT-backed API authentication is not bound to the organization selected by the current host, allowing a JWT issued for one tenant to be replayed against anoth…
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High 8.1
WPMU DEV Dashboard <= 5.0.0 - Authentication Bypass to Arbitrary Plugin Installation (Remote Code Execution) via Forged WDP_AUTH HMAC on ?wpmudev-hub= Endpoint
The WPMU DEV Dashboard plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 5.0.0. On sites not yet connected to the WPMU DEV Hub — the default state after installation — the site API key that keys the WDP-AUTH req…
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High 7.3
letta-ai LettaBot API Status Route server.ts missing authentication
A vulnerability was detected in letta-ai LettaBot 0.2.0. Impacted is an unknown function of the file src/api/server.ts of the component API Status Route. The manipulation results in missing authentication. The attack may be performed from remote. The exploit …
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High 7.5
Contest Gallery < 30.0.7 - Unauthenticated Login-Protection and 2FA Bypass via post_cg_login
The Contest Gallery WordPress plugin before 30.0.7 does not route its front-end login through the standard WordPress authentication flow, issuing an authentication cookie directly after the password check, which bypasses installed brute-force-protection and t…
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High 7.5
miniOrange 2FA < 6.2.7 - 2FA Bypass via Password-Only Second-Factor Rebinding
The miniOrange 2FA WordPress plugin before 6.2.7 does not bind the second factor being configured during the pre-login two-factor challenge to the target account's existing factor, allowing an attacker who knows a user's password to rebind that user's second …
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High 7.5
WP 2FA < 4.1.0 - Two-Factor Authentication Bypass via Passkeys Provider
The WP 2FA WordPress plugin before 4.1.0 does not validate the second authentication factor when one of its supported methods is selected at login, allowing an attacker who already knows a user's password to bypass two-factor authentication and fully access t…
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High 7.3
H3C NX15 networkSetup missing authentication
A security vulnerability has been detected in H3C NX15 V100R017. Impacted is an unknown function of the file /api/wizard/networkSetup. Such manipulation leads to missing authentication. The attack may be performed from remote. The vendor was contacted early a…
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High 8.1
Open WebUI: Account takeover via OAuth token exchange accepting tokens issued to any client
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8.0 until 0.11.0, when ENABLE_OAUTH_TOKEN_EXCHANGE=True, /oauth/{provider}/token/exchange accepts a raw provider access token and validates it by calling the provider…
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High 8.7
A vulnerability allowing an unauthenticated attacker to read arbitrary files from the host, which can be further levera…
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High 8.5
An improper authentication and path traversal vulnerability exists in ASUSTOR Backup Plan and ASUSTOR EZ Sync.
The background service of ABP or AES runs as NT AUTHORITY\SYSTEM and implements a file-based inter-process communication (IPC) mechanism protected by AES encryption. Because the encryption key file is readable by standard users and protected using DPAPI. Any …
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High 7.5
Huge IT Login <= 1.0.4 - Unauthenticated Account Takeover
The login-social WordPress plugin through 1.0.4 does not validate password-reset requests against a reset key or the requester's identity, and it issues authentication sessions from unverified third-party sign-in data, allowing unauthenticated attackers to re…
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High 8.1
Lenxel WP <= 1.0.31 - Unauthenticated Account Takeover via Arbitrary Password Reset
The Lenxel WP WordPress theme through 1.0.31 does not perform any authorization or ownership check on its password-reset action, validating only a CSRF nonce, allowing unauthenticated attackers to reset the password of any user (including an administrator) an…
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High 7.5
SMS Alert Order Notifications – WooCommerce < 3.9.8 - Unauthenticated Account Takeover via Unbound OTP Verification in Signup-with-Mobile
The SMS Alert WordPress plugin before 3.9.8 does not bind its "mobile verified" session flag to the phone number that was actually verified: after an attacker verifies an OTP sent to their own phone, the signup/login handler reads a fresh, attacker-supplied p…
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High 8.3
better-auth before 1.6.22 Account Takeover via Magic-Link Email-OTP
better-auth versions >= 1.1.3 and < 1.6.22 (and pre-release versions >= 1.7.0-beta.0 and < 1.7.0-beta.10) are vulnerable to account takeover via pre-account hijacking on magic-link and email-OTP sign-in when open email/password registration is enabled. An att…
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High 8.1
Login/Signup Popup < 3.2.5 - Unauthenticated Account Takeover via Password Reset Rate Limit Bypass
The Login & Register Forms WordPress plugin before 3.2.5 does not properly enforce the rate limit on its password-reset verification-code flow, keying both the verification code and the per-source attempt counter on an unauthenticated, client-controlled value…
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High 8.1
Chat On Desk < 1.0.9 - Unauthenticated Account Takeover via Password Reset OTP Bypass
The Chat On Desk Order Notifications WordPress plugin before 1.0.9 does not verify that the one-time password has been validated before processing a password-reset request, allowing unauthenticated attackers to reset the password of arbitrary users, including…
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High 8.8
DynamicKit for Elementor < 1.0.3 - Unauthenticated Account Takeover via Password Reset Link Host Injection
The DynamicKit for Elementor WordPress plugin before 1.0.3 does not validate the host of a user-supplied URL used as the base of the password-reset link it emails, allowing unauthenticated attackers to send a target user a legitimately-formatted reset email w…
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High 8.1
miniOrange 2FA < 6.2.6 - 2FA Bypass via Attacker-Controlled ga_secret
The miniOrange 2FA WordPress plugin before 6.2.6 does not validate the submitted one-time password against the targeted user's stored secret, instead verifying it against an attacker-supplied value, allowing an unauthenticated attacker who knows a victim's pa…
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High 7.5
FlxWoo < 3.1.1 - Unauthenticated Payment Bypass
The FlxWoo WordPress plugin before 3.1.1 does not verify with the payment processor that a checkout session was actually paid before marking the associated order as paid, allowing unauthenticated attackers to complete WooCommerce orders without paying.
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High 8.0
Authentication Bypass and Audience Confusion in MCP Toolbox OAuth Provider
An authentication bypass and audience confusion vulnerability exists in the Google OAuth provider component of Google mcp-toolbox version 1.4.0. When a Google authService is initialized with mcpEnabled: true but lacks an explicitly defined audience or clientI…
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High 7.5
Customer Switching for WooCommerce < 2.1.3 - Customer+ Privilege Escalation to Administrator via Insecure Operator Resolution
The Customer Switching WordPress plugin before 2.1.3 does not securely bind an active user-switching session to the operator who initiated it, allowing a lower-privileged account that an operator is currently switched into to be resolved as that operator and …
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High 8.1
miniOrange Social Login and Register < 7.8.0 - Unauthenticated Account Takeover
The miniOrange Social Login and Register (Discord, Google, Twitter, LinkedIn) WordPress plugin before 7.8.0 does not bind the one-time code used by its optional email-verification (Profile Completion) feature to the account it was issued for, allowing unauthe…
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High 7.4
UsersWP < 1.2.67 - Two-Factor Authentication Bypass
The UsersWP WordPress plugin before 1.2.67 does not validate the selected authentication provider in its two-factor login handler, allowing an attacker who already knows a user's credentials to bypass the second authentication factor and log in as that user.
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High 7.5
pytonapi has a Webhook Custom Path Authentication Bypass
pytonapi is a Python SDK for TONAPI that provides REST API, streaming, and webhook access to the TON blockchain. From 2.0.0 to 2.2.0, TonapiWebhookDispatcher fails to validate the Authorization header when a webhook handler is registered with the documented p…
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High 8.8
Potential authentication bypass leading to privilege escalation in Artifactory
JFrog Artifactory contains an authentication handling weakness in internal request processing that, under specific conditions, may allow an attacker to escalate privileges beyond the intended access level.
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High 8.2CVE-2026-9830 Public exploit
BookingPress Pro < 5.7.3 - Unauthenticated Customer PII Disclosure and Booking Tampering via Permission Callback Bug
The bookingpress-appointment-booking-pro WordPress plugin before 5.7.3 does not correctly invoke its REST permission callback, leaving every route in one of its API namespaces reachable without authentication and allowing unauthenticated attackers to read cus…
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High 7.5
Clover Payment Gateway by Zaytech for WooCommerce < 1.3.6 - Unauthenticated Payment Bypass via check_order
The Clover Payment Gateway by Zaytech for WooCommerce WordPress plugin before 1.3.6 does not verify that an approved external payment record actually belongs to the WooCommerce order being completed, nor that the paid amount matches the order total, allowing …
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High 8.1
MainWP Child < 6.1.2 - Unauthenticated Administrator Authentication Bypass via Passwordless Site Registration
The MainWP Child WordPress plugin before 6.1.2 does not verify the requester's identity in its site-registration request handler when password authentication has been disabled for the targeted account, allowing an unauthenticated attacker to obtain a valid au…
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High 8.1
Poweradmin: OIDC `sub` collation bypass in Poweradmin leading to account takeover
## Preface Poweradmin maps OIDC identities into local users through `oidc_user_links.oidc_subject` plus `provider_id`. In the MySQL schema, the OIDC link table explicitly uses `utf8mb4_unicode_ci`, which is case-insensitive and accent-insensitive. OIDC `sub` …
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High 8.4
Loytec LINX firmware: Improper Authentication in PAM configuration
Improper Authentication (CWE-287) in the PAM configuration in Loytec LIP-ME201C, L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.16 on LINX-A64 allows a local attacker to authenticate as a uid=0 account without a password and obtain a root sh…
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High 7.5
MFA Bypass in MOVEit Transfer
Improper Authentication vulnerability in Progress MOVEit Transfer. This issue affects MOVEit Transfer: before 2025.1.5, from 2026.0.0 before 2026.0.3.
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High 7.5
Security Ninja (Premium) < 5.290 - Two-Factor Authentication Bypass via secnin_skip_2fa
The security-ninja-premium WordPress plugin before 5.290 does not verify the second authentication factor in one of its two-factor authentication code paths, allowing an unauthenticated attacker who knows a user's password to complete authentication without t…
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High 8.1
Vulnerability in the Oracle Workflow product of Oracle E-Business Suite (component: Workflow Notification Mailer). Supp…