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.

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_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 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.

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.

The gen_rand_string function in phpBB 2.0.19 uses insufficiently random data (small value space) to create the activation key ("validation ID") that is sent by e-mail when establishing a password, which makes it easier for remote attackers to obtain the key and modify passwords for existing accounts or create new accounts.

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.

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.

Direct static code injection vulnerability in includes/template.php in phpBB allows remote authenticated users with write access to execute arbitrary PHP code by modifying a template in a way that (1) bypasses a loose ".*" regular expression to match BEGIN and END statements in overall_header.tpl, or (2) is used in an eval statement by includes/bbcode.php for bbcode.tpl.

Unspecified vulnerability in phpBB allows remote authenticated users with Administration Panel access to execute arbitrary PHP code via crafted Font Colour 3 ($theme[fontcolor3] variable) and/or signature values, possibly involving the highlight functionality. NOTE: the original report does not clarify whether this issue is static code injection, eval injection, or another type of vulnerability.

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.

PHP remote file inclusion vulnerability in top/list.php in phpBB TopList 1.3.8 and earlier allows remote attackers to include arbitrary files via the returnpath parameter.

PHP remote file inclusion vulnerability in toplist.php in phpBB TopList 1.3.8 and earlier, when register_globals is enabled, allows remote attackers to include arbitrary files via the phpbb_root_path parameter.

PHP remote file inclusion vulnerability in admin/addentry.php in phpBB Advanced Guestbook 2.4.0 and earlier, when register_globals is enabled, allows remote attackers to include arbitrary files via the phpbb_root_path parameter.

PHP remote file inclusion vulnerability in auction\auction_common.php in Auction mod 1.3m for phpBB allows remote attackers to execute arbitrary PHP code via a URL in the phpbb_root_path parameter.

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.

SQL injection vulnerability in charts.php in the Chart mod for phpBB allows remote attackers to execute arbitrary SQL commands via the id parameter.

PHP remote file inclusion vulnerability in template.php in phpBB 2 allows remote attackers to execute arbitrary PHP code via a URL in the page parameter. NOTE: followup posts have disputed this issue, stating that template.php does not appear in phpBB and does not use a $page variable. It is possible that this is a site-specific vulnerability, or an issue in a mod

Multiple SQL injection vulnerabilities in phpbb-Auction allow remote attackers to execute arbitrary SQL commands via (1) the ar parameter in auction_room.php and (2) the u parameter in auction_store.php. NOTE: the auction_rating.php vector is already covered by CVE-2005-1234. NOTE: the original disclosure states that the product name is "PHP-Auction", but this is probably an error.

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.