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CVSS: 5.0EPSS: 0%CPEs: 19EXPL: 0

The LTI module in Moodle through 2.4.11, 2.5.x before 2.5.9, 2.6.x before 2.6.6, and 2.7.x before 2.7.3 does not properly restrict the parameters used in a return URL, which allows remote attackers to trigger the generation of arbitrary messages via a modified URL, related to mod/lti/locallib.php and mod/lti/return.php. El módulo LTI en Moodle hasta 2.4.11, 2.5.x anterior a 2.5.9, 2.6.x anterior a 2.6.6, y 2.7.x anterior a 2.7.3 no restringe debidamente los parámetros utilizados en una URL de retorno, lo que permite a atacantes remotos provocar la generación de mensajes arbitrarios a través de una URL modificada, relacionado con mod/lti/locallib.php and mod/lti/return.php. • http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-47927 http://openwall.com/lists/oss-security/2014/11/17/11 http://www.securitytracker.com/id/1031215 https://moodle.org/mod/forum/discuss.php?d=275165 • CWE-20: Improper Input Validation •

CVSS: 4.0EPSS: 0%CPEs: 19EXPL: 0

tag/tag_autocomplete.php in Moodle through 2.4.11, 2.5.x before 2.5.9, 2.6.x before 2.6.6, and 2.7.x before 2.7.3 does not consider the moodle/tag:edit capability before adding a tag, which allows remote authenticated users to bypass intended access restrictions via an AJAX request. tag/tag_autocomplete.php en Moodle hasta 2.4.11, 2.5.x anterior a 2.5.9, 2.6.x anterior a 2.6.6, y 2.7.x anterior a 2.7.3 no considera la funcionalidad moodle/tag:edit antes de añadir una etiqueta, lo que permite a usuarios remotos autenticados evadir las restricciones de acceso a través de una solicitud AJAX. • http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-47965 http://openwall.com/lists/oss-security/2014/11/17/11 http://www.securitytracker.com/id/1031215 https://moodle.org/mod/forum/discuss.php?d=275157 • CWE-264: Permissions, Privileges, and Access Controls •

CVSS: 4.3EPSS: 0%CPEs: 19EXPL: 0

lib/setup.php in Moodle through 2.4.11, 2.5.x before 2.5.9, 2.6.x before 2.6.6, and 2.7.x before 2.7.3 does not provide charset information in HTTP headers, which might allow remote attackers to conduct cross-site scripting (XSS) attacks via UTF-7 characters during interaction with AJAX scripts. lib/setup.php en Moodle hasta 2.4.11, 2.5.x anterior a 2.5.9, 2.6.x anterior a 2.6.6, y 2.7.x anterior a 2.7.3 no proporciona información charset en cabeceras HTTP, lo que podría permitir a atacantes remotos realizar ataques de XSS a través de caracteres UTF-7 durante la interacción con secuencias de comandos AJAX. • http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-47966 http://openwall.com/lists/oss-security/2014/11/17/11 http://www.securityfocus.com/bid/71133 http://www.securitytracker.com/id/1031215 https://moodle.org/mod/forum/discuss.php?d=275146 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •

CVSS: 4.0EPSS: 0%CPEs: 72EXPL: 0

The forum_print_latest_discussions function in mod/forum/lib.php in Moodle through 2.4.11, 2.5.x before 2.5.8, 2.6.x before 2.6.5, and 2.7.x before 2.7.2 allows remote authenticated users to bypass the individual answer-posting requirement without the mod/forum:viewqandawithoutposting capability, and discover an author's username, by leveraging the student role and visiting a Q&A forum. La función forum_print_latest_discussions en mod/forum/lib.php en Moodle hasta 2.4.11, 2.5.x anterior a 2.5.8, 2.6.x anterior a 2.6.5, y 2.7.x anterior a 2.7.2 permite a usuarios remotos autenticados evadir los requisitos individuales de 'answer-posting' sin la capacidad mod/forum:viewqandawithoutposting, y descubrir el nombre de usuario de un autor, mediante el aprovechamiento del rol estudiante y visitar el foro Q&A. • http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-46619 http://openwall.com/lists/oss-security/2014/09/15/1 https://moodle.org/mod/forum/discuss.php?d=269591 • CWE-264: Permissions, Privileges, and Access Controls •

CVSS: 4.3EPSS: 0%CPEs: 35EXPL: 0

mod/lti/service.php in Moodle through 2.3.11, 2.4.x before 2.4.11, 2.5.x before 2.5.7, 2.6.x before 2.6.4, and 2.7.x before 2.7.1 allows remote attackers to read arbitrary files via an XML external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue. mod/lti/service.php en Moodle hasta 2.3.11, 2.4.x anterior a 2.4.11, 2.5.x anterior a 2.5.7, 2.6.x anterior a 2.6.4 y 2.7.x anterior a 2.7.1 permite a atacantes remotos leer ficheros arbitrarios a través de una declaración de entidad externa XML en conjunto con una referencia de entidad, relacionado con un problema de entidad externa XML (XXE). • http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-45463 http://openwall.com/lists/oss-security/2014/07/21/1 https://moodle.org/mod/forum/discuss.php?d=264263 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •