GHSA-WHQH-9PQ5-C7R3 phpMyFAQ has a SVG Sanitizer Entity Decoding Depth Limit Bypass Leading to Stored XSS

Summary The SvgSanitizer::decodeAllEntities method limits recursive entity decoding to 5 iterations. By wrapping each character of javascript in an href attribute value with 5 levels of & encoding around numeric HTML entities e.g., amp;amp;amp;106; for j, an attacker can bypass both isSafe...

phpMyFAQ has Stored XSS in FAQ Question/Answer via Encode-Decode Bypass of removeAttributes() Sanitization

Summary The FAQ creation and update endpoints in phpMyFAQ apply FILTERSANITIZESPECIALCHARS which HTML-encodes input, then immediately call htmlentitydecode which reverses the encoding, followed by Filter::removeAttributes which only strips HTML attributes — not tags. This allows , , , and tags to...

Cross-site Scripting (XSS)

Overview phpmyfaq/phpmyfaq is a FAQ system for PHP and MySQL, PostgreSQL and other databases Affected versions of this package are vulnerable to Cross-site Scripting XSS in the FAQ creation and update process. An attacker can execute arbitrary JavaScript in the browsers of users who view maliciou...

Cross-site Scripting (XSS)

Overview thorsten/phpmyfaq is a FAQ system for PHP and MySQL, PostgreSQL and other databases Affected versions of this package are vulnerable to Cross-site Scripting XSS in the FAQ creation and update process. An attacker can execute arbitrary JavaScript in the browsers of users who view maliciou...

GHSA-F5P7-2C9Q-8896 phpMyFAQ has Stored XSS in FAQ Question/Answer via Encode-Decode Bypass of removeAttributes() Sanitization

Summary The FAQ creation and update endpoints in phpMyFAQ apply FILTERSANITIZESPECIALCHARS which HTML-encodes input, then immediately call htmlentitydecode which reverses the encoding, followed by Filter::removeAttributes which only strips HTML attributes — not tags. This allows , , , and tags to...

Missing Authorization

Overview phpmyfaq/phpmyfaq is a FAQ system for PHP and MySQL, PostgreSQL and other databases Affected versions of this package are vulnerable to Missing Authorization in the delete process. An attacker can remove tags and disrupt FAQ organization by sending crafted DELETE requests to the admin AP...

Missing Authorization

Overview thorsten/phpmyfaq is a FAQ system for PHP and MySQL, PostgreSQL and other databases Affected versions of this package are vulnerable to Missing Authorization in the delete process. An attacker can remove tags and disrupt FAQ organization by sending crafted DELETE requests to the admin AP...

phpMyFAQ's Missing Authorization on Tag Deletion Allows Any Authenticated User to Delete Tags

Summary The TagController::delete endpoint at DELETE /admin/api/content/tags/tagId only verifies that the user is logged in userIsAuthenticated, but does not check any permission. Any authenticated user — including regular non-admin frontend users — can delete any tag by ID. This contrasts with...

GHSA-7CX3-2QX2-3G6W phpMyFAQ's Missing Authorization on Tag Deletion Allows Any Authenticated User to Delete Tags

Summary The TagController::delete endpoint at DELETE /admin/api/content/tags/tagId only verifies that the user is logged in userIsAuthenticated, but does not check any permission. Any authenticated user — including regular non-admin frontend users — can delete any tag by ID. This contrasts with...

GHSA-HPGW-WW76-C68R phpMyFAQ has an Authorization Bypass in All Admin Pages Due to Non-Terminating Permission Check

Summary AbstractAdministrationController::userHasPermission catches the ForbiddenException thrown when a user lacks a specific permission, sends a "forbidden" HTML page via $response-send, but does not terminate execution. The calling controller method continues to execute, fetches protected data...

Incorrect Authorization

Overview phpmyfaq/phpmyfaq is a FAQ system for PHP and MySQL, PostgreSQL and other databases Affected versions of this package are vulnerable to Incorrect Authorization in the userHasPermission process. An attacker can gain unauthorized access to sensitive administrative data by sending requests ...

Incorrect Authorization

Overview thorsten/phpmyfaq is a FAQ system for PHP and MySQL, PostgreSQL and other databases Affected versions of this package are vulnerable to Incorrect Authorization in the userHasPermission process. An attacker can gain unauthorized access to sensitive administrative data by sending requests ...

phpMyFAQ has an Authorization Bypass in All Admin Pages Due to Non-Terminating Permission Check

Summary AbstractAdministrationController::userHasPermission catches the ForbiddenException thrown when a user lacks a specific permission, sends a "forbidden" HTML page via $response-send, but does not terminate execution. The calling controller method continues to execute, fetches protected data...

Improper Encoding or Escaping of Output

Overview thorsten/phpmyfaq is a FAQ system for PHP and MySQL, PostgreSQL and other databases Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output in the Utils::parseUrl function during comment rendering. An attacker can execute arbitrary JavaScript in the...

Improper Encoding or Escaping of Output

Overview phpmyfaq/phpmyfaq is a FAQ system for PHP and MySQL, PostgreSQL and other databases Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output in the Utils::parseUrl function during comment rendering. An attacker can execute arbitrary JavaScript in the...

phpMyFAQ has stored XSS via Utils::parseUrl() in comment rendering

Summary A stored XSS vulnerability in the comment rendering pipeline allows an authenticated user to inject JavaScript that executes for every visitor of an affected FAQ or News page. An attacker with a registered account can steal admin session cookies and take over the application. Details...

PT-2026-41482

Summary A stored XSS vulnerability in the comment rendering pipeline allows an authenticated user to inject JavaScript that executes for every visitor of an affected FAQ or News page. An attacker with a registered account can steal admin session cookies and take over the application. Details...

PT-2026-41491

Summary Client::deleteClientFolder in phpmyfaq/src/phpMyFAQ/Instance/Client.php:583 takes a URL from the caller, strips the https:// prefix, and passes the remainder to Filesystem::deleteDirectory relative to the multisite clientFolder. No path-traversal validation runs. An admin with the INSTANC...

PT-2026-41498

Summary CurrentUser::setTokenData in phpmyfaq/src/phpMyFAQ/User/CurrentUser.php at lines 515-534 builds a SQL UPDATE statement with sprintf and interpolates OAuth token fields refresh token, access token, code verifier, and json encode$token'jwt' without calling $db-escape. Sibling methods...

PT-2026-41484

Summary The public /solution id id.html route calls Faq::getIdFromSolutionId in phpmyfaq/src/phpMyFAQ/Faq.php:1312. That query joins faqdata with faqcategoryrelations solely by solution id and returns the matching FAQ's id, lang, thema title, and category id with no permission filter. An...