CVE-2026-56737 phpMyFAQ's two-factor authentication login bypasses the password factor

phpMyFAQ is an open source FAQ web application. Versions 3.2.0 through 4.1.5 contain an authentication bypass in its public two-factor authentication verification flow: an unauthenticated attacker can submit an account’s numeric user ID and a valid or brute-forced six-digit TOTP code without firs...

CVE-2026-56736 phpMyFAQ has Stored XSS in Admin FAQ Editor via HTML Entity Bypass in Frontend FAQ Submission

phpMyFAQ is an open source FAQ web application. A stored cross-site scripting XSS vulnerability in versions prior to 4.2.0-alpha allows any unauthenticated user or low-privileged registered user to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a...

CVE-2026-56736

The open-source FAQ web application phpMyFAQ is vulnerable to a stored cross-site scripting (XSS) flaw in versions prior to 4.2.0-alpha . The root cause is an HTML entity bypass where the html_entity_decode() function converts entities into executable HTML after strip_tags() has already processed...

CVE-2026-56736 phpMyFAQ has Stored XSS in Admin FAQ Editor via HTML Entity Bypass in Frontend FAQ Submission

phpMyFAQ is an open source FAQ web application. A stored cross-site scripting XSS vulnerability in versions prior to 4.2.0-alpha allows any unauthenticated user or low-privileged registered user to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a...

EUVD-2026-86010

phpMyFAQ is an open source FAQ web application. A stored cross-site scripting XSS vulnerability in versions prior to 4.2.0-alpha allows any unauthenticated user or low-privileged registered user to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a...

CVE-2026-56736

phpMyFAQ is an open source FAQ web application. A stored cross-site scripting XSS vulnerability in versions prior to 4.2.0-alpha allows any unauthenticated user or low-privileged registered user to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a...

CVE-2026-56736 phpMyFAQ has Stored XSS in Admin FAQ Editor via HTML Entity Bypass in Frontend FAQ Submission

phpMyFAQ is an open source FAQ web application. A stored cross-site scripting XSS vulnerability in versions prior to 4.2.0-alpha allows any unauthenticated user or low-privileged registered user to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a...

PT-2026-97827

Name of the Vulnerable Software and Affected Versions phpMyFAQ versions prior to 4.2.0-alpha Description A stored cross-site scripting XSS issue exists that allows unauthenticated users or low-privileged registered users to inject arbitrary JavaScript. The attack occurs when an administrator...

CVE-2026-56738: Improper Neutralization of Special Elements used in an SQL Command

phpMyFAQ is an open source FAQ web application. The StopWords::add method inversions prior to 4.1.6 builds a SQL INSERT statement using sprintf and inserts the user-supplied stop word value directly into the query string without calling the application's database escaping function on it. A siblin...

CVE-2026-47132: Improper Input Validation

phpMyFAQ is an open source FAQ web application. Prior to version 4.2.0-alpha, an authenticated SQL LIKE wildcard injection vulnerability in phpMyFAQ’s chat user search allows any logged-in user to bypass the intended display-name search filter and enumerate active users. The endpoint escapes SQL...

CVE-2026-56737: Improper Authentication

phpMyFAQ is an open source FAQ web application. Versions 3.2.0 through 4.1.5 contain an authentication bypass in its public two-factor authentication verification flow: an unauthenticated attacker can submit an account’s numeric user ID and a valid or brute-forced six-digit TOTP code without firs...

PT-2026-97855

Name of the Vulnerable Software and Affected Versions phpMyFAQ versions 3.2.0 through 4.1.5 Description An authentication bypass exists in the public two-factor authentication 2FA verification flow. An unauthenticated attacker can take over any account that has 2FA enabled, including administrato...

CVE-2026-56736: Improper Neutralization of Input During Web Page Generation

phpMyFAQ is an open source FAQ web application. A stored cross-site scripting XSS vulnerability in versions prior to 4.2.0-alpha allows any unauthenticated user or low-privileged registered user to inject arbitrary JavaScript that executes in an administrator's browser when they review or edit a...

PT-2026-98142

Name of the Vulnerable Software and Affected Versions phpMyFAQ versions prior to 4.1.6 Description An issue exists in the StopWords::add function where user-supplied input is inserted into a SQL INSERT statement using sprintf without proper database escaping. This occurs specifically in the code...

phpMyFAQ Auth Bypass

The vulnerability of the phpMyFAQ web application is related to deficiencies in the authentication process. Exploiting this vulnerability could allow an attacker, operating remotely, to gain unauthorized access to protected information...

phpMyFAQ Insufficient Control Bypass

The vulnerability of the phpMyFAQ web application is related to insufficient control over the frequency of interactions. Exploiting this vulnerability could allow a malicious actor to bypass existing security measures remotely...

phpMyFAQ isAddingQuestionsAllowed Bypass

The vulnerability of the isAddingQuestionsAllowed function in the phpMyFAQ web application is related to deficiencies in authentication procedures. Exploiting this vulnerability could allow an attacker to bypass existing security measures remotely...

phpMyFAQ html_entity_decode() Arbitrary JavaScript Execution

The vulnerability of the htmlentitydecode function in the phpMyFAQ web application is related to the lack of protective measures for the website’s structure. Exploiting this vulnerability could allow an attacker to execute arbitrary JavaScript code remotely...

phpMyFAQ updateData() Unauthorized Access

The vulnerability of the updateData function in the phpMyFAQ web application is related to the lack of necessary checks during password changes. Exploiting this vulnerability could allow an attacker who operates remotely to gain unauthorized access to protected information...

phpMyFAQ removeTwofactorConfig Bypass

The vulnerability of the removeTwofactorConfig function in the phpMyFAQ web application is related to the lack of authentication for the critical function. Exploiting this vulnerability could allow a malicious actor to bypass existing security measures remotely...