PT-2025-23536 · Mybb · Mybb

Name of the Vulnerable Software and Affected Versions: MyBB versions prior to 1.8.39 Description: The search component in MyBB does not validate permissions correctly, allowing attackers to determine the existence of hidden threads, including draft, unapproved, or soft-deleted threads, by analyzi...

CVE-2024-52702

A stored cross-site scripting XSS vulnerability in the component install\index.php of MyBB v1.8.38 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Website Name parameter. NOTE: this is disputed by the Supplier because Website Name can only be set ...

CVE-2024-23335

MyBB is a free and open source forum software. The backup management module of the Admin CP may accept .htaccess as the name of the backup file to be deleted, which may expose the stored backup files over HTTP on Apache servers. MyBB 1.8.38 resolves this issue. Users are advised to upgrade. There...

CVE-2024-23336

MyBB is a free and open source forum software. The default list of disallowed remote hosts does not contain the 127.0.0.0/8 block, which may result in a Server-Side Request Forgery SSRF vulnerability. The Configuration File's Disallowed Remote Addresses list $config'disallowedremoteaddresses'...

CVE-2023-28467

In MyBB before 1.8.34, there is XSS in the User CP module via the user email field...

CVE-2023-41362

MyBB before 1.8.36 allows Code Injection by users with certain high privileges. Templates in Admin CP intentionally use eval, and there was some validation of the input to eval, but type juggling interfered with this when using PCRE within PHP...

CVE-2023-45556

Cross Site Scripting vulnerability in Mybb Mybb Forums v.1.8.33 allows a local attacker to execute arbitrary code via the theme Name parameter in the theme management component...

CVE-2022-43709

MyBB 1.8.31 has a SQL injection vulnerability in the Admin CP's Users module allows remote authenticated users to modify the query string via direct user input or stored search filter settings...

CVE-2022-43707

MyBB 1.8.31 has a Cross-site scripting XSS vulnerability in the visual MyCode editor SCEditor allows remote attackers to inject HTML via user input or stored data...

CVE-2022-45867

MyBB before 1.8.33 allows Directory Traversal. The Admin CP Languages module allows remote authenticated users, with high privileges, to achieve local file inclusion and execution...

CVE-2022-28353

In the External Redirect Warning Plugin 1.3 for MyBB, the redirect URL aka external.php?url= is vulnerable to XSS...

CVE-2022-28354

In the Active Threads Plugin 1.3.0 for MyBB, the activethreads.php date parameter is vulnerable to XSS when setting a time period...

CVE-2022-43708

MyBB 1.8.31 has a issue 2 of 2 cross-site scripting XSS vulnerabilities in the post Attachments interface allow attackers to inject HTML by persuading the user to upload a file with specially crafted name...

CVE-2021-3350

deleteaccount.php in the Delete Account plugin 1.4 for MyBB allows XSS via the deletereason parameter...

CVE-2021-27890

SQL Injection vulnerablity in MyBB before 1.8.26 via theme properties included in theme XML files...

CVE-2021-27949

Cross-site Scripting vulnerability in MyBB before 1.8.26 via Custom moderator tools...

CVE-2021-27889

Cross-site Scripting XSS vulnerability in MyBB before 1.8.26 via Nested Auto URL when parsing messages...

CVE-2021-27279

MyBB before 1.8.25 allows stored XSS via nested email tags with MyCode aka BBCode...

CVE-2021-3337

The Hide-Thread-Content plugin through 2021-01-27 for MyBB allows remote attackers to bypass intended content-reading restrictions by clicking on reply or quote in the postbit...

CVE-2020-19049

Cross Site Scripting XSS in MyBB v1.8.20 allows remote attackers to inject arbitrary web script or HTML via the "Description" field found in the "Add New Forum" page by doing an authenticated POST HTTP request to '/Upload/admin/index.php?module=forum-management=add'...