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
3,167 results · Feed
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Medium 5.3
NewType WebEIP EIP_Com_FileList.aspx improper authentication
A vulnerability was detected in NewType WebEIP up to 3.0. This affects an unknown part of the file /EIP_Com_FileList.aspx. The manipulation results in improper authentication. It is possible to launch the attack remotely. The exploit is now public and may be …
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Medium 5.4
389-ds-base: 389-ds-base: sasl plain bind installs connection credentials before account-lock check, allowing continued access as a locked account
A flaw was found in 389 Directory Server. During SASL PLAIN authentication, the server installs connection-level bind credentials before performing the account-lock check. If the account is subsequently found to be locked, the bind is reported as failed to th…
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Critical 9.1
SoftMarket <= 1.0.0 - Unauthenticated Account Takeover via Email Verification Bypass
The SoftMarket — Digital Marketplace WordPress plugin through 1.0.0 does not properly validate an authentication token in one branch of its email-verification flow, allowing unauthenticated attackers to obtain a valid session as any verified user by supplying…
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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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Medium 5.3
better-auth before 1.6.2 OAuth State Validation Bypass
better-auth versions before 1.6.2 fail to validate the OAuth state parameter against the stored nonce when using cookie-backed state storage without PKCE. Attackers can forge the state parameter and supply an attacker-controlled authorization code to create a…
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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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Low 2.0
better-auth before 1.4.0 Session Revocation via Forged Cookie
better-auth versions greater than 1.3.34 and before 1.4.0 contain a vulnerability in the multi-session plugin's /sign-out after-hook, which trusts raw multi-session cookies and forwards extracted values to internalAdapter.deleteSessions without verifying the …
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Low 2.7
Amelia < 2.4.4 - Amelia Manager+ Arbitrary User-Field Modification via Mass Assignment
The Booking for Appointments and Events Calendar WordPress plugin before 2.4.4 does not restrict which fields can be written through its customer import, allowing a user with the Amelia Manager role to modify arbitrary columns of any stored user record by sup…
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Medium 6.5
Authora - Easy Login with Mobile Number < 1.7.7 - Unauthenticated Account Takeover via OTP Disclosure
The Authora : Easy login with mobile number WordPress plugin before 1.7.7 does not keep its one-time login code confidential, returning the code and a valid verification token in the response of an unauthenticated action, allowing unauthenticated attackers to…
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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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Medium 6.8
Keycloak-services: keycloak-services: microsoft external access-token exchange bypasses configured tenant
Keycloak provides a way to let users log in using Microsoft accounts while restricting access to a specific organization (tenant). A flaw was discovered where this restriction is ignored when using the token exchange feature. This means an attacker with a val…
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Critical 9.8
ShopMonitor.io < 1.2.0 - Unauthenticated Administrator Account Takeover via Password-Reset Email Reroute
The ShopMonitor.io WordPress plugin before 1.2.0 does not properly restrict its email-rerouting test mode, gating it behind a trusted-source check that is satisfiable with client-supplied request headers, allowing unauthenticated attackers to redirect outgoin…
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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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Critical 9.8
SolarWinds Web Help Desk SAML Authentication Bypass Vulnerability
SolarWinds Web Help Desk is found to be affected by a SAML authentication bypass vulnerability. This requires the SAML 2.0 authentication method to be enabled.
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Critical 9.8
Rocket.Chat's SAML SSO before versions 8.7.0, 8.6.1, 8.5.2, 8.4.5, 8.3.7, 8.2.7, 8.1.7, 8.0.8, and 7.10.14 verified XML…
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Medium 4.1CVE-2026-56850 Public exploit
A flaw in Node.js HTTPS Agent connection reuse can cause PFX object-array key collisions, allowing mutual TLS (mTLS) cl…
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Medium 5.3
WP Delicious < 1.10.2 - Unauthenticated Arbitrary Post Meta Update via recipe_likes
The WP Delicious WordPress plugin before 1.10.2 does not perform an authorization check on one of its AJAX actions, allowing unauthenticated users to modify limited post metadata (a like counter and an associated identifier list) on arbitrary posts, including…
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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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Medium 6.5
Authentication bypass vulnerability
An authentication bypass vulnerability in Koollab LMS allowed an unauthenticated attacker to take over any account, including administrator accounts, by supplying a valid user UUID without providing primary credentials via the 2FA validation endpoint.
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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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Medium 5.3
Cosmos-Server's constellation public-devices endpoint accepts arbitrary bearer tokens
Cosmos provides users the ability self-host a home server by acting as a secure gateway to your application, as well as a server manager. In 0.22.18, `GET /cosmos/api/constellation/public-devices` discloses Constellation device metadata to a requester that su…
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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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Medium —
Pocket ID has a reauthentication bypass via one-time access token login — passkey step-up requirement defeated by JWT freshness check that accepts any login method
# Reauthentication Bypass via One-Time Access Token Login ## Summary A weaker authentication method (OTA token or signup token) is accepted as passkey step-up proof, yielding unauthorized renewable 30-day OIDC refresh tokens for clients explicitly configured …
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Medium 4.6
An authorization issue was addressed with improved state management. This issue is fixed in macOS Sequoia 15.7.8, macOS…
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Low 2.4
This issue was addressed with additional restrictions on the lock screen. This issue is fixed in macOS Sequoia 15.7.8, …
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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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Medium 6.5
WP User Frontend < 4.3.8 - Unauthenticated Author-less Attachment Deletion
The User Frontend: AI Powered Frontend Post Submission, User Directory, User Profile, Membership & User Registration WordPress plugin before 4.3.8 does not correctly verify ownership before deleting an attachment, allowing unauthenticated attackers to permane…
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Critical 9.1
QRcode Login for WeChat <= 1.3 - Unauthenticated Account Takeover
The 微信二维码登陆 WordPress plugin through 1.3 does not properly validate WeChat webhook requests, as its signature check always passes, and it discloses the generated login code in the webhook response. This allows an unauthenticated attacker to forge a login even…
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Critical 9.1
Masteriyo LMS < 2.3.1 - Unauthenticated Arbitrary User Session Termination (Denial of Service)
The Masteriyo LMS WordPress plugin before 2.3.1 does not correctly verify authorization on an unauthenticated AJAX action used to clear user sessions, allowing unauthenticated attackers to terminate the active sessions (force-logout) of any user on the site, …
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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` …