Vulnerabilities (CVE)

Filtered by vendor Mybb Subscribe
Total 156 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2008-3966 1 Mybb 1 Mybb 2026-04-23 4.3 MEDIUM N/A
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.
CVE-2008-3965 1 Mybb 1 Mybb 2026-04-23 7.5 HIGH N/A
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.
CVE-2008-3070 1 Mybb 1 Mybb 2026-04-23 7.5 HIGH N/A
Unspecified vulnerability in inc/datahandler/user.php in MyBB before 1.2.13 has unknown impact and attack vectors related to the $user['language'] variable, probably related to SQL injection.
CVE-2007-1906 2 Ecardmax.com, Mybb 2 Hot Editor, Mybb Hot Editor Plugin 2026-04-23 6.8 MEDIUM N/A
Directory traversal vulnerability in richedit/keyboard.php in eCardMAX HotEditor (Hot Editor) 4.0, and the HotEditor plugin for MyBB, allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the first parameter.
CVE-2007-0544 1 Mybb 1 Mybb 2026-04-23 6.0 MEDIUM N/A
Cross-site scripting (XSS) vulnerability in private.php in MyBB (aka MyBulletinBoard) allows remote authenticated users to inject arbitrary web script or HTML via the Subject field, a different vector than CVE-2006-2949.
CVE-2008-3069 1 Mybb 1 Mybb 2026-04-23 4.3 MEDIUM N/A
Multiple cross-site scripting (XSS) vulnerabilities in MyBB before 1.2.13 allow remote attackers to inject arbitrary web script or HTML via unspecified parameters to (1) portal.php and (2) inc/functions_post.php.
CVE-2008-4929 1 Mybb 1 Mybb 2026-04-23 5.0 MEDIUM 7.5 HIGH
MyBB (aka MyBulletinBoard) 1.4.2 uses insufficient randomness to compose filenames of uploaded files used as attachments, which makes it easier for remote attackers to read these files by guessing filenames.
CVE-2018-25250 1 Mybb 1 Last User Threads 2026-04-20 N/A 7.2 HIGH
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.
CVE-2018-25247 1 Mybb 1 Thankyou\/like System 2026-04-20 N/A 6.1 MEDIUM
MyBB Like Plugin 3.0.0 contains a cross-site scripting vulnerability that allows attackers to inject malicious scripts by creating posts or threads with unvalidated subject content. Attackers can craft post subjects containing script tags that execute when other users view the attacker's profile, where liked posts are displayed without sanitization.
CVE-2006-0218 1 Mybb 1 Mybb 2026-04-16 10.0 HIGH N/A
Multiple unspecified vulnerabilities in MyBulletinBoard (MyBB) before 1.0.2 have unspecified impact and attack vectors, related to (1) admin/moderate.php, (2) admin/themes.php, (3) inc/functions.php, (4) inc/functions_upload.php, (5) printthread.php, and (6) usercp.php, and probably related to SQL injection. NOTE: it is likely that this issue subsumes CVE-2005-4602 and CVE-2005-4603. However, since the vendor advisory is vague and additional files are mentioned, is is likely that this contains at least one distinct vulnerability from CVE-2005-4602 and CVE-2005-4603.
CVE-2005-4199 1 Mybb 1 Mybb 2026-04-16 7.5 HIGH N/A
Multiple SQL injection vulnerabilities in MyBulletinBoard (MyBB) before 1.0 allow remote attackers to execute arbitrary SQL commands via the (1) month, (2) day, and (3) year parameters in an addevent action in calendar.php; (4) threadmode and (5) showcodebuttons in an options action in usercp.php; (6) list parameter in an editlists action to usercp.php; (7) rating parameter in a rate action in member.php; and (8) rating parameter in either showthread.php or ratethread.php.
CVE-2006-2070 1 Mybb 1 Devbb 2026-04-16 4.3 MEDIUM N/A
Cross-site scripting (XSS) vulnerability in member.php in DevBB 1.0.0 and earlier allows remote attackers to inject arbitrary web script or HTML via the member parameter in a viewpro action.
CVE-2006-0442 1 Mybb 1 Mybb 2026-04-16 4.3 MEDIUM N/A
Multiple cross-site scripting (XSS) vulnerabilities in usercp.php in MyBulletinBoard (MyBB) 1.02 allow remote attackers to inject arbitrary web script or HTML via the (1) notepad parameter in a notepad action and (2) signature parameter in an editsig action. NOTE: These are different attack vectors, and probably a different vulnerability, than CVE-2006-0218 and CVE-2006-0219.
CVE-2018-25248 1 Mybb 1 Mybb Downloads 2026-04-10 N/A 7.2 HIGH
MyBB Downloads Plugin 2.0.3 contains a persistent cross-site scripting vulnerability that allows regular members to inject malicious scripts through the download title field. Attackers can submit a new download with HTML/JavaScript code in the title parameter, which executes when administrators validate the download in downloads.php.
CVE-2018-25249 1 Mybb 1 My Arcade 2026-04-10 N/A 6.4 MEDIUM
MyBB My Arcade Plugin 1.3 contains a persistent cross-site scripting vulnerability that allows authenticated users to inject malicious scripts through arcade game score comments. Attackers can add crafted HTML and JavaScript payloads in the comment field that execute when other users view or edit the comment.
CVE-2018-25116 1 Mybb 1 Thread Redirect 2026-04-09 N/A 6.1 MEDIUM
MyBB Thread Redirect Plugin 0.2.1 contains a cross-site scripting vulnerability in the custom text input field for thread redirects. Attackers can inject malicious SVG scripts that will execute when other users view the thread, allowing arbitrary script execution.
CVE-2018-25132 1 Mybb 1 Trending Widget 2026-04-09 N/A 6.1 MEDIUM
MyBB Trending Widget Plugin 1.2 contains a cross-site scripting vulnerability that allows attackers to inject malicious scripts through thread titles. Attackers can modify thread titles with script payloads that will execute when other users view the trending widget.
CVE-2021-47905 1 Mybb 1 Delete Account 2026-04-09 N/A 6.1 MEDIUM
MyBB Delete Account Plugin 1.4 contains a cross-site scripting vulnerability in the account deletion reason input field. Attackers can inject malicious scripts that will execute in the admin interface when viewing delete account reasons.
CVE-2023-53979 1 Mybb 1 Mybb 2025-12-27 N/A 8.8 HIGH
MyBB 1.8.32 contains a chained vulnerability that allows authenticated administrators to bypass avatar upload restrictions and execute arbitrary code. Attackers can modify upload path settings, upload a malicious PHP-embedded image file, and execute commands through the language configuration editing interface.
CVE-2023-53976 1 Mybb 1 Mybb 2025-12-27 N/A 5.4 MEDIUM
myBB Forums 1.8.26 contains a stored cross-site scripting vulnerability in the template management system that allows authenticated administrators to inject malicious scripts when creating new templates. Attackers can exploit this vulnerability by inserting script payloads in the template title field when adding new templates through the 'Templates and Style' > 'Templates' > 'Manage Templates' > 'Global Templates' interface, causing arbitrary JavaScript to execute when the template is viewed.