SQL injection vulnerability in viewcat.php in XOOPS WF-Downloads module 2.05 allows remote attackers to execute arbitrary SQL commands via the list parameter.

Directory traversal vulnerability in editor_registry.php in XOOPS 2.2.3 allows remote attackers to read or include arbitrary local files via a .. (dot dot) in the xoopsConfig[language] parameter.

Cross-site scripting (XSS) vulnerability in a certain module, possibly poll or Pool, for XOOPS allows remote attackers to inject arbitrary web script or HTML via JavaScript in the SRC attribute of an IMG element in a comment.

mainfile.php in XOOPS 2.0.13.2 and earlier, when register_globals is enabled, allows remote attackers to overwrite variables such as $xoopsOption['nocommon'] and conduct directory traversal attacks or include PHP files via (1) xoopsConfig[language] to misc.php or (2) xoopsConfig[theme_set] to index.php, as demonstrated by injecting PHP sequences into a log file.

PHP remote file inclusion vulnerability in index.php in the Glossaire module 1.7 for Xoops allows remote attackers to execute arbitrary PHP code via a URL in the pa parameter.

SQL injection vulnerability in edituser.php in Xoops before 2.0.15 allows remote attackers to execute arbitrary SQL commands via the user_avatar parameter.

XOOPS CMS 2.5.9 SQL Injection via gerar_pdf.php

XOOPS CMS 2.5.9 contains an SQL injection vulnerability that allows unauthenticated attackers to manipulate database queries by injecting SQL code through the cid parameter. Attackers can send GET requests to the gerar_pdf.php endpoint with malicious cid values to extract sensitive database information.

SQL injection vulnerability in XOOPS 2.5.7.2 and other versions before 2.5.8.1 allows remote authenticated administrators to execute arbitrary SQL commands via the url parameter to findusers.php. An example attack uses "into outfile" to create a backdoor program.

XOOPS Core 2.5.8.1 has XSS due to unescaped HTML output of an Install DB failure error message in page_dbsettings.php.

XOOPS Core 2.5.8 has a stored URL redirect bypass vulnerability in /modules/profile/index.php because of the URL filter.

In install/page_dbsettings.php in the Core distribution of XOOPS 2.5.8.1, unfiltered data passed to CREATE and ALTER SQL queries caused SQL Injection in the database settings page, related to use of GBK in CHARACTER SET and COLLATE clauses.

XOOPS Core 2.5.8 has stored XSS in imagemanager.php because of missing MIME type validation in htdocs/class/uploader.php.

SQL injection vulnerability in htdocs/modules/system/admin.php in XOOPS before 2.5.7 Final allows remote authenticated users to execute arbitrary SQL commands via the selgroups parameter.

Multiple cross-site scripting (XSS) vulnerabilities in XOOPS before 2.5.5 allow remote attackers to inject arbitrary web script or HTML via the (1) to_userid parameter to modules/pm/pmlite.php or the (2) current_file, (3) imgcat_id, or (4) target parameter to class/xoopseditor/tinymce/tinymce/jscripts/tiny_mce/plugins/xoopsimagemanager/xoopsimagebrowser.php.

SQL injection vulnerability in glossaire-aff.php in the Glossaire module 1.0 for XOOPS allows remote attackers to execute arbitrary SQL commands via the lettre parameter.

Multiple SQL injection vulnerabilities in the Qas (aka Quas) module for XOOPS Celepar allow remote attackers to execute arbitrary SQL commands via the codigo parameter to (1) aviso.php and (2) imprimir.php, and the (3) cod_categoria parameter to categoria.php.

The activation resend function in the Profiles module in XOOPS before 2.4.1 sends activation codes in response to arbitrary activation requests, which allows remote attackers to bypass administrative approval via a request involving activate.php.

XOOPS 2.5.0 allows remote attackers to obtain sensitive information via a direct request to a .php file, which reveals the installation path in an error message, as demonstrated by modules/system/xoops_version.php and certain other files.

Multiple cross-site scripting (XSS) vulnerabilities in XOOPS 2.5.1.a, and possibly earlier versions, allow remote attackers to inject arbitrary web script or HTML via the (1) text parameter to include/formdhtmltextarea_preview.php or (2) img BBCODE tag within the message parameter to pmlite.php (aka Private Message). NOTE: some of these details are obtained from third party information.

Cross Site Scripting vulnerability in Xoops CMS v.2.5.10 allows a remote attacker to execute arbitrary code via the category name field of the image manager function.