Sensiolabs Symfony vulnerabilities

CVE-2017-18343 [MEDIUM] CWE-79 CVE-2017-18343: The debug handler in Symfony before v2.7.33, 2.8.x before v2.8.26, 3.x before v3.2.13, and 3.3.x bef The debug handler in Symfony before v2.7.33, 2.8.x before v2.8.26, 3.x before v3.2.13, and 3.3.x before v3.3.6 has XSS via an array key during exception pretty printing in ExceptionHandler.php, as demonstrated by a /_debugbar/open?op=get URI. NOTE: the vendor's position is that this is not a vulnerability because the debug tools are not intended for

CVE-2026-45754 [MEDIUM] CWE-287 CVE-2026-45754: Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Pr Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 6.4.40, 7.4.12, and 8.0.12, the Mailjet mailer bridge and LOX24 notifier bridge webhook parsers received configured webhook secrets but did not verify them, allowing unauthenticated POST requests to inject forged Mailjet and LOX24 event payload

CVE-2026-45755 [MEDIUM] CWE-306 CVE-2026-45755: Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Pr Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 7.4.12 and 8.0.12, MailtrapRequestParser::doParse() received the configured webhook secret but ignored the X-Mt-Signature HMAC header, allowing unauthenticated POST requests to inject forged Mailtrap delivery, bounce, open, click, or spam event

CVE-2013-4752 [MEDIUM] CWE-79 CVE-2013-4752: Symfony 2.0.X before 2.0.24, 2.1.X before 2.1.12, 2.2.X before 2.2.5, and 2.3.X before 2.3.3 have an Symfony 2.0.X before 2.0.24, 2.1.X before 2.1.12, 2.2.X before 2.2.5, and 2.3.X before 2.3.3 have an issue in the HttpFoundation component. The Host header can be manipulated by an attacker when the framework is generating an absolute URL. A remote attacker could exploit this vulnerability to inject malicious content into the Web application page and c

CVE-2021-41267 [MEDIUM] CWE-444 CVE-2021-41267: Symfony/Http-Kernel is the HTTP kernel component for Symfony, a PHP framework for web and console ap Symfony/Http-Kernel is the HTTP kernel component for Symfony, a PHP framework for web and console applications and a set of reusable PHP components. Headers that are not part of the "trusted_headers" allowed list are ignored and protect users from "Cache poisoning" attacks. In Symfony 5.2, maintainers added support for the `X-Forwarded-Prefix` heade

CVE-2026-45065 [MEDIUM] CWE-185 CVE-2026-45065: Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Pr Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, UrlGenerator validates route parameters against a pattern built as ^ plus the raw requirement plus $; with ungrouped alternations, middle alternatives match as unanchored substrings, allowing a value such as

CVE-2026-48784 [MEDIUM] CWE-172 CVE-2026-48784: Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Pr Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.53, 6.4.41, 7.4.13, and 8.0.13, UrlGenerator::doGenerate() used strtr() dot-segment encoding that skipped every other chained ../ or ./ segment, allowing attacker-controlled route parameters to generate URLs that collapse to a different pat

CVE-2026-45066 [MEDIUM] CWE-184 CVE-2026-45066: Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Fr Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.1.0-BETA1 until 6.4.40, 7.4.12, and 8.0.12, HtmlSanitizer URL sanitization can allow off-allowlist URLs through allowLinkHosts() or allowMediaHosts() because UrlSanitizer::parse() follows RFC 3986 while browsers follow WHATWG URL parsing, and bec

CVE-2026-45064 [MEDIUM] CWE-451 CVE-2026-45064: Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Fr Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.1.0-BETA1 until 6.4.40, 7.4.12, and 8.0.12, UrlSanitizer::parse() passes Unicode explicit-direction BiDi formatting characters through into sanitized href and src attributes, allowing sanitized content to display a link destination that visually

CVE-2026-45072 [MEDIUM] CWE-79 CVE-2026-45072: Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Fr Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.4.24 until 6.4.40, 7.4.12, and 8.0.12, the development profiler file_excerpt Twig filter escapes PHP files through highlight_string() but interpolates lines from non-PHP files directly into elements, allowing stored XSS against a developer who ope

CVE-2015-8124 [MEDIUM] CVE-2015-8124: Session fixation vulnerability in the "Remember Me" login feature in Symfony 2.3.x before 2.3.35, 2. Session fixation vulnerability in the "Remember Me" login feature in Symfony 2.3.x before 2.3.35, 2.6.x before 2.6.12, and 2.7.x before 2.7.7 allows remote attackers to hijack web sessions via a session id.

CVE-2026-24739 [MEDIUM] CWE-88 CVE-2026-24739: Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Pr Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to versions 5.4.51, 6.4.33, 7.3.11, 7.4.5, and 8.0.5, the Symfony Process component did not correctly treat some characters (notably `=`) as “special” when escaping arguments on Windows. When PHP is executed from an MSYS2-based environment (e.g. Gi

CVE-2026-48761 [MEDIUM] CWE-79 CVE-2026-48761: Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Fr Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.1.0 until 6.4.41, 7.4.13, and 8.0.13, UrlAttributeSanitizer::getSupportedAttributes() omitted URL-bearing attributes on , , , and , and URLs inside content bypassed URL sanitization, allowing explicitly enabled elements or attributes to pass javas

CVE-2024-50345 [MEDIUM] CWE-601 CVE-2024-50345: symfony/http-foundation is a module for the Symphony PHP framework which defines an object-oriented symfony/http-foundation is a module for the Symphony PHP framework which defines an object-oriented layer for the HTTP specification. The `Request` class, does not parse URI with special characters the same way browsers do. As a result, an attacker can trick a validator relying on the `Request` class to redirect users to another domain. The `Request:

CVE-2026-45753 [MEDIUM] CWE-79 CVE-2026-45753: Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Fr Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.1.0-BETA1 until 6.4.40, 7.4.12, and 8.0.12, UrlAttributeSanitizer::getSupportedAttributes() omits URL-valued attributes including action, formaction, poster, and cite, so configurations that admit those attributes can leave javascript: URIs unsani

CVE-2026-48760 [MEDIUM] CWE-451 CVE-2026-48760: Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Fr Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.1.0 until 6.4.41, 7.4.13, and 8.0.13, UrlSanitizer::parse() rejected raw BiDi formatting characters but not percent-encoded forms and used an ASCII-only whitespace check, allowing sanitized URLs to retain visual-spoofing characters that downstrea

CVE-2026-48747 [MEDIUM] CWE-347 CVE-2026-48747: Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Pr Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 7.4.13 and 8.0.13, MailomatRequestParser::validateSignature() parsed X-MOM-Webhook-Signature as algo=signature and passed the request-selected algorithm to hash_hmac(), allowing a signature algorithm downgrade instead of enforcing Mailomat's do

CVE-2017-16653 [MEDIUM] CVE-2017-16653: An issue was discovered in Symfony before 2.7.38, 2.8.31, 3.2.14, 3.3.13, 3.4-BETA5, and 4.0-BETA5. An issue was discovered in Symfony before 2.7.38, 2.8.31, 3.2.14, 3.3.13, 3.4-BETA5, and 4.0-BETA5. The current implementation of CSRF protection in Symfony (Version >=2) does not use different tokens for HTTP and HTTPS; therefore the token is subject to MITM attacks on HTTP and can then be used in an HTTPS context to do CSRF attacks.

CVE-2021-21424 [MEDIUM] CWE-200 CVE-2021-21424: Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Th Symfony is a PHP framework for web and console applications and a set of reusable PHP components. The ability to enumerate users was possible without relevant permissions due to different handling depending on whether the user existed or not when attempting to use the switch users functionality. We now ensure that 403s are returned whether the user

CVE-2019-18886 [MEDIUM] CWE-203 CVE-2019-18886: An issue was discovered in Symfony 4.2.0 to 4.2.11 and 4.3.0 to 4.3.7. The ability to enumerate user An issue was discovered in Symfony 4.2.0 to 4.2.11 and 4.3.0 to 4.3.7. The ability to enumerate users was possible due to different handling depending on whether the user existed when making unauthorized attempts to use the switch users functionality. This is related to symfony/security.