A week in security (December 1 – December 7)

Last week on Malwarebytes Labs: Leaks show Intellexa burning zero-days to keep Predator spyware running How scammers use fake insurance texts to steal your identity Canadian police trialing facial recognition bodycams Update Chrome now: Google fixes 13 security issues affecting billions Attackers...

PT-2025-49549

In affected versions, vulnerability-lookup did not track or limit failed One-Time Password OTP attempts during Two-Factor Authentication 2FA verification. An attacker who already knew or guessed a valid username and password could submit an arbitrary number of OTP codes without causing the accoun...

CVE-2025-27935

The OTP Integration Kit for PingFederate fails to enforce HTTP method validation and state validation properly. The server advances the authentication state without verifying the OTP, thereby bypassing multi-factor authentication...

CVE-2025-66558

Nextcloud Twofactor WebAuthn is the WebAuthn Two-Factor Provider for Nextcloud. Prior to 1.4.2 and 2.4.1, a missing ownership check allowed an attack to take-away a 2FA webauthn device when correctly guessing a 80-128 character long random string of letters, numbers and symbols. The victim would...

CVE-2025-66558 Nextcloud Twofactor WebAuthn app was updated based on public key

Nextcloud Twofactor WebAuthn is the WebAuthn Two-Factor Provider for Nextcloud. Prior to 1.4.2 and 2.4.1, a missing ownership check allowed an attack to take-away a 2FA webauthn device when correctly guessing a 80-128 character long random string of letters, numbers and symbols. The victim would...

EUVD-2025-201460

Nextcloud Twofactor WebAuthn is the WebAuthn Two-Factor Provider for Nextcloud. Prior to 1.4.2 and 2.4.1, a missing ownership check allowed an attack to take-away a 2FA webauthn device when correctly guessing a 80-128 character long random string of letters, numbers and symbols. The victim would...

WebAuthn second factor provider for Nextcloud 安全漏洞

WebAuthn second factor provider for Nextcloud is an open source two-factor authentication software from Nextcloud. A security vulnerability exists in WebAuthn second factor provider for Nextcloud versions prior to 1.4.2 and prior to 2.4.1, which stems from a lack of ownership checking and could...

PT-2025-49302

Name of the Vulnerable Software and Affected Versions Nextcloud Twofactor WebAuthn versions prior to 1.4.2 Nextcloud Twofactor WebAuthn versions prior to 2.4.1 Description A missing ownership check allows an attacker to remove a user's WebAuthn two-factor authentication device by correctly guessi...

CVE-2025-27935

The OTP Integration Kit for PingFederate fails to enforce HTTP method validation and state validation properly. The server advances the authentication state without verifying the OTP, thereby bypassing multi-factor authentication...

EUVD-2025-201281

The OTP Integration Kit for PingFederate fails to enforce HTTP method validation and state validation properly. The server advances the authentication state without verifying the OTP, thereby bypassing multi-factor authentication...

CVE-2025-27935 Authentication Bypass in OTP (One-time Passcode) IdP Adapter Integration Kit

The OTP Integration Kit for PingFederate fails to enforce HTTP method validation and state validation properly. The server advances the authentication state without verifying the OTP, thereby bypassing multi-factor authentication...

PT-2025-49136

The OTP Integration Kit for PingFederate fails to enforce HTTP method validation and state validation properly. The server advances the authentication state without verifying the OTP, thereby bypassing multi-factor authentication...

Ping Identity One-Time Passcode Integration Kit for PingFederate 安全漏洞

Ping Identity One-Time Passcode Integration Kit for PingFederate is a suite of software tools and adapters from Ping Identity USA. A security vulnerability exists in Ping Identity One-Time Passcode Integration Kit for PingFederate that stems from not properly validating the HTTP method and state,...

Attackers have a new way to slip past MFA in educational orgs

Researchers are warning about a rise in cases of attackers using Evilginx to steal session cookies among educational institutions—letting them bypass the need for a multi-factor authentication MFA token. Evilginx is an attacker-in-the-middle phishing toolkit that sits between you and the real...

WordPress WP 2FA plugin <= 2.9.3 - 2-Factor Authentication Bypass vulnerability

2-Factor Authentication Bypass vulnerability discovered by Benjamin Nadarević in WordPress Plugin WP 2FA versions = 2.9.3...

EUVD-2025-200110

Grav is vulnerable to Arbitrary File Read...

CVE-2025-66300 Grav is vulnerable to Arbitrary File Read

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, A low privilege user account with page editing privilege can read any server files using "Frontmatter" form. This includes Grav user account files /grav/user/accounts/.yaml, which store hashed user password, 2FA secret, and the password...

CVE-2025-66300 Grav is vulnerable to Arbitrary File Read

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, A low privilege user account with page editing privilege can read any server files using "Frontmatter" form. This includes Grav user account files /grav/user/accounts/.yaml, which store hashed user password, 2FA secret, and the password...

CVE-2025-66300

Grav is a file-based CMS affected by CVE-2025-66300. A low-privilege user with page-editing rights could exploit path traversal via the Frontmatter form to read server files, including Grav user accounts located at /grav/user/accounts/*.yaml, exposing password hashes, 2FA secrets, and password-re...

CVE-2025-66295

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, when a user with privilege of user creation creates a new user through the Admin UI and supplies a username containing path traversal sequences for example ..\Nijat or ../Nijat, Grav writes the account YAML file to an unintended path...