MyBB (aka MyBulletinBoard) 1.2

MyBB Last User's Threads in Profile Plugin 1.2 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts by crafting thread subjects with script tags. Attackers can create threads with script payloads in the subject field that execute when users visit the attacker's profile page.

Published: 2026-04-04T13:51:14.951Z
Updated: 2026-05-24T01:36:16.005Z

Cross-site scripting (XSS) vulnerability in the mycode_parse_video function in inc/class_parser.php in MyBB (aka MyBulletinBoard) before 1.6.12 allows remote attackers to inject arbitrary web script or HTML via vectors related to Yahoo video URLs.

Published: 2014-01-10T16:00:00.000Z
Updated: 2024-09-17T01:50:54.525Z

Cross-site scripting (XSS) vulnerability in misc.php in MyBB (aka MyBulletinBoard) before 1.6.12 allows remote attackers to inject arbitrary web script or HTML via the editor parameter in a smilie list popup.

Published: 2014-01-08T15:00:00.000Z
Updated: 2024-09-16T19:45:42.403Z

Unspecified vulnerability in MyBB before 1.6.5 has unknown impact and attack vectors, related to an "unparsed user avatar in the buddy list."

Published: 2012-08-30T22:00:00.000Z
Updated: 2024-09-17T00:51:26.797Z

Cross-site scripting (XSS) vulnerability in MyBB before 1.6.5 allows remote attackers to inject arbitrary web script or HTML via vectors related to "usernames via AJAX."

Published: 2012-08-30T22:00:00.000Z
Updated: 2024-08-07T00:23:40.249Z

Cross-site request forgery (CSRF) vulnerability in global.php in MyBB before 1.6.5 allows remote attackers to hijack the authentication of a user for requests that change the user's language via the language parameter.

Published: 2012-08-30T22:00:00.000Z
Updated: 2024-08-07T00:23:40.140Z

Multiple SQL injection vulnerabilities in MyBB (aka MyBulletinBoard) before 1.6.1 allow remote attackers to execute arbitrary SQL commands via the keywords parameter in a (1) do_search action to search.php or (2) do_stuff action to private.php. NOTE: the vendor disputes this issue, saying "Although this doesn't lead to an SQL injection, it does provide a general MyBB SQL error.

Published: 2012-08-13T23:00:00.000Z
Updated: 2024-09-17T04:10:28.021Z

MyBB (aka MyBulletinBoard) before 1.4.12 does not properly restrict uid values for group join requests, which allows remote attackers to cause a denial of service (resource consumption) by using guest access to submit join request forms for moderated groups, related to usercp.php and managegroup.php.

Published: 2010-12-30T20:00:00.000Z
Updated: 2024-08-07T03:51:17.935Z

member.php in MyBB (aka MyBulletinBoard) before 1.4.12 makes a certain superfluous call to the SQL COUNT function, which allows remote attackers to cause a denial of service (resource consumption) by making requests to member.php that trigger scans of the entire users table.

Published: 2010-12-30T20:00:00.000Z
Updated: 2024-08-07T03:51:17.919Z

Cross-site request forgery (CSRF) vulnerability in usercp2.php in MyBB (aka MyBulletinBoard) before 1.4.12 allows remote attackers to hijack the authentication of unspecified victims via unknown vectors.

Published: 2010-12-30T20:00:00.000Z
Updated: 2024-08-07T03:51:17.971Z

The my_rand function in functions.php in MyBB (aka MyBulletinBoard) before 1.4.12 does not properly use the PHP mt_rand function, which makes it easier for remote attackers to obtain access to an arbitrary account by requesting a reset of the account's password, and then conducting a brute-force attack.

Published: 2010-12-30T20:00:00.000Z
Updated: 2024-08-07T03:51:17.916Z

MyBB (aka MyBulletinBoard) before 1.4.12 does not properly handle a configuration with a visible forum that contains hidden threads, which allows remote attackers to obtain sensitive information by reading the Latest Threads block of the Portal Page.

Published: 2010-12-30T20:00:00.000Z
Updated: 2024-08-07T03:51:17.744Z

MyBB (aka MyBulletinBoard) before 1.4.12 allows remote authenticated users to bypass intended restrictions on the number of [img] MyCodes by editing a post after it has been created.

Published: 2010-12-30T20:00:00.000Z
Updated: 2024-08-07T03:51:17.658Z

moderation.php in MyBB (aka MyBulletinBoard) before 1.4.1 does not properly check for moderator privileges, which has unknown impact and remote attack vectors.

Published: 2008-09-10T15:00:00.000Z
Updated: 2024-08-07T10:00:42.598Z

Multiple cross-site scripting (XSS) vulnerabilities in MyBB (aka MyBulletinBoard) before 1.4.1 allow remote attackers to inject arbitrary web script or HTML via (1) a certain referrer field in usercp2.php, (2) a certain location field in inc/functions_online.php, and certain (3) tsubject and (4) psubject fields in moderation.php.

Published: 2008-09-10T15:00:00.000Z
Updated: 2024-08-07T10:00:42.292Z

SQL injection vulnerability in misc.php in MyBB (aka MyBulletinBoard) before 1.4.1 allows remote attackers to execute arbitrary SQL commands via a certain editor field.

Published: 2008-09-10T15:00:00.000Z
Updated: 2024-08-07T10:00:42.125Z