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Cross-site request forgery (CSRF) vulnerability in phpBB 2.0.21 allows remote authenticated users to send unauthorized messages as an arbitrary user via unspecified vectors. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

PHP remote file inclusion vulnerability in /includes/kb_constants.php in Knowledge Base Mod for PHPbb 2.0.2 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the module_root_path parameter.

usercp_avatar.php in PHPBB 2.0.20, when avatar uploading is enabled, allows remote attackers to use the server as a web proxy by submitting a URL to the avatarurl parameter, which is then used in an HTTP GET request.

Cross-site scripting vulnerability in phpBB 1.4.4 and earlier allows remote attackers to execute arbitrary Javascript on web clients by embedding the script within an IMG image tag while editing a message.

phpBB 2.0.19 and earlier allows remote attackers to cause a denial of service (application crash) by (1) registering many users through profile.php or (2) using search.php to search in a certain way that confuses the database.

viewtopic.php in phpBB 2.0.12 and earlier allows remote attackers to obtain sensitive information via a highlight parameter containing invalid regular expression syntax, which reveals the path in a PHP error message.

Cross-site request forgery (CSRF) vulnerability in phpBB 2.0.19, when Link to off-site Avatar or bbcode (IMG) are enabled, allows remote attackers to perform unauthorized actions as a logged in user via a link or IMG tag in a user profile, as demonstrated using links to (1) admin/admin_users.php and (2) modcp.php.

CRLF injection vulnerability in PhpBB 2.0.4 and 2.0.9 allows remote attackers to perform HTTP Response Splitting attacks to modify expected HTML content from the server via (1) the mode parameter to privmsg.php or (2) the redirect parameter to login.php.

admin/admin_disallow.php in phpBB 2.0.18 allows remote attackers to obtain the installation path via a direct request with a non-empty setmodules parameter, which causes an invalid append_sid function call that leaks the path in an error message.

SQL injection vulnerability in viewtopic.php for phpBB 2.0.5 and earlier allows remote attackers to steal password hashes via the topic_id parameter.

Directory traversal vulnerability in (1) usercp_register.php and (2) usercp_avatar.php for phpBB 2.0.11, and possibly other versions, with gallery avatars enabled, allows remote attackers to delete (unlink) arbitrary files via "/../" sequences in the avatarselect parameter.

phpBB 1.4.4 and earlier with BBcode allows remote attackers to cause a denial of service (CPU consumption) and corrupt the database via null \0 characters within [code] tags.

phpBB 2.0.18 allows remote attackers to obtain sensitive information via a large SQL query, which generates an error message that reveals SQL syntax or the full installation path.

phpBB 2.0.13 and earlier allows remote attackers to obtain sensitive information via a direct request to oracle.php, which reveals the path in a PHP error message.

calendar_scheduler.php in Topic Calendar 1.0.1 module for phpBB, when running on a Microsoft IIS server, allows remote attackers to obtain sensitive information via invalid parameters, which reveal the path in an error message.

phpBB 2.0.20 does not verify user-specified input variable types before being passed to type-dependent functions, which allows remote attackers to obtain sensitive information, as demonstrated by the (1) mode parameter to memberlist.php and the (2) highlight parameter to viewtopic.php that are used as an argument to the htmlspecialchars or urlencode functions, which displays the installation path in the resulting error message.

phpBB 2.0.8a and earlier trusts the IP address that is in the X-Forwarded-For in the HTTP header, which allows remote attackers to spoof IP addresses.

PhpBB 2.0.8 allows remote attackers to gain sensitive information via an invalid (1) category_rows parameter to index.php, (2) faq parameter to faq.php, or (3) ranksrow parameter to profile.php, which reveal the full path in an error message.

A "missing request validation" error in phpBB 2 before 2.0.18 allows remote attackers to edit private messages of other users, probably by modifying certain parameters or other inputs.

install.php in phpBB 2.0 through 2.0.1, when "allow_url_fopen" and "register_globals" variables are set to "on", allows remote attackers to execute arbitrary PHP code by modifying the phpbb_root_dir parameter to reference a URL on a remote web server that contains the code.

SQL injection vulnerability in prefs.php in phpBB 1.4.0 and 1.4.1 allows remote authenticated users to execute arbitrary SQL commands and gain administrative access via the viewemail parameter.

phpBB 2.0.21 does not properly handle pathnames ending in %00, which allows remote authenticated administrative users to upload arbitrary files, as demonstrated by a query to admin/admin_board.php with an avatar_path parameter ending in .php%00.

SQL injection vulnerability in groupcp.php for phpBB 2.0.6 and earlier allows group moderators to perform unauthorized activities via the sql_in parameter.

Multiple cross-site scripting (XSS) vulnerabilities in privmsg.php in phpBB 2.0.6 allow remote attackers to execute arbitrary script or HTML via the (1) folder or (2) mode variables.

Cross-site scripting (XSS) vulnerability in calendar_scheduler.php in the Topic Calendar 1.0.1 module for phpBB allows remote attackers to inject arbitrary web script or HTML via the start parameter.

Cross-site scripting (XSS) vulnerability in admin_smilies.php in phpBB 2.0.19 allows remote attackers to inject arbitrary web script or HTML via Javascript events such as "onmouseover" in the (1) smile_url or (2) smile_emotion parameters, which bypasses a check for "<" and ">" characters.

Cross-site scripting (XSS) vulnerability in viewtopic.php in phpBB 2.0.3 allows remote attackers to inject arbitrary web script or HTML via the highlight parameter.

Cross-site scripting (XSS) vulnerability in usercp_register.php for phpBB 2.0.13 allows remote attackers to inject arbitrary web script or HTML by setting the (1) allowhtml, (2) allowbbcode, or (3) allowsmilies parameters to inject HTML into signatures for personal messages, possibly when they are processed by privmsg.php or viewtopic.php.

Multiple cross-site scripting (XSS) vulnerabilities in phpBB 2.0.17 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) error_msg parameter to usercp_register.php, (2) forward_page parameter to login.php, and (3) list_cat parameter to search.php, which are not initialized as variables.

Cross-site scripting (XSS) vulnerability in phpBB 2.0.6d and earlier allows remote attackers to inject arbitrary web script or HTML via the (1) postdays parameter to viewtopic.php or (2) topicdays parameter to viewforum.php.

Cross-site scripting (XSS) vulnerability in profile.php in phpBB 2.0.19 allows remote attackers to inject arbitrary web script or HTML via the cur_password parameter. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Cross-site scripting (XSS) vulnerability in phpBB 2.0.19, when "Allowed HTML tags" is enabled, allows remote attackers to inject arbitrary web script or HTML via a permitted HTML tag with ' (single quote) characters and active attributes such as onmouseover, a variant of CVE-2005-4357.

Cross-site scripting (XSS) vulnerability in admin_words.php for phpBB 2.0.6c allows remote attackers to inject arbitrary web script or HTML via the id parameter.

Cross-site scripting (XSS) vulnerability in search.php for PhpBB 2.0.4 and 2.0.9 allows remote attackers to inject arbitrary HTMl or web script via the search_author parameter.

Multiple cross-site scripting (XSS) vulnerabilities in Photo Album 2.0.53 module for phpBB allow remote attackers to inject arbitrary web script or HTML via the bsid parameter to (1) album_cat.php or (2) album_comment.php.

Cross-site scripting (XSS) vulnerability in phpBB 2.0.16 allows remote attackers to inject arbitrary web script or HTML via nested [url] tags.

Multiple cross-site scripting (XSS) vulnerabilities in phpBB 2.0.19 allow remote attackers to inject arbitrary web script or HTML via the (1) Site Description field in (a) admin_board.php, the (2) Group name and (3) Group description fields in (b) admin_groups.php and (c) groupcp.php, the (4) Theme Name field in (d) admin_styles.php, and the (5) Rank Title field in (e) admin_ranks.php. NOTE: the profile.php/Current password vector is already covered by CVE-2006-1603.

Multiple cross-site scripting (XSS) vulnerabilities in phpBB 2.0.14 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) u parameter to profile.php, (2) highlight parameter to viewtopic.php, or (3) forumname or forumdesc parameters to admin_forums.php.

Cross-site scripting (XSS) vulnerability in charts.php in the Chart mod for phpBB allows remote attackers to inject arbitrary web script or HTML via the id parameter. NOTE: this issue might be resultant from SQL injection.

Cross-site scripting (XSS) vulnerability in the Calendar module for phpBB allow remote attackers to inject arbitrary web script or HTML via the start parameter to calendar_scheduler.php.