WordPress wpForo Forum plugin < 3.1.2 - Subscriber+ Stored XSS vulnerability

Subscriber+ Stored XSS vulnerability discovered by Revanth Hari Narayana Matte in WordPress Plugin wpForo Forum versions 3.1.2...

Kestra vulnerable to stored XSS via custom Markdown [[link]] attribute injection

Summary Kestra’s Markdown renderer supports a custom link ... syntax that is converted into a custom HTML element. The custom Markdown parser allows attacker-controlled attributes to be rendered into the generated element without proper allowlisting or sanitization. As a result, a user who can...

CVE-2026-55839

Kestra is an open-source, event-driven orchestration platform. Prior to 1.3.24, Kestra's custom Markdown parser in ui/src/utils/markdownplugins/link.ts allows a user with permission to create or update a Flow description to inject JavaScript event-handler attributes through the custom link syntax...

CVE-2026-45115

MyBB is free and open source forum software. Prior to 1.8.40, the Buddy/Ignore component does not sanitize usernames correctly, allowing attackers to perform JavaScript code injection through a specially crafted username. The User CP Buddy/Ignore list and the Select Buddies list in Private Messag...

CVE-2026-45116

MyBB is free and open source forum software. Prior to 1.8.40, the user datahandler does not properly validate checkbox and multiselect profile field types, resulting in stored JavaScript code injection. UserDataHandler::verifyprofilefields only performs the specialized validation when...

EUVD-2026-61032

Joomla! Core - 20260806 - XSS through schema.org outputs in Joomla 5.1.0-5.4.7, 6.0.0-6.1.2 - Improper escaping flags lead to an XSS vector in schema.org markup outputs...

CVE-2026-73336

In Joomla! 5.1.0–5.4.7 and 6.0.0–6.1.2, improper escaping flags allow cross-site scripting (XSS) through schema.org markup outputs. CVSS 4.0 scores it MEDIUM (5.1), requiring high privileges. No exploitation details are provided. Affected users should update to patched versions as announced by Jo...

CVE-2026-45118 MyBB: Contact page reflected XSS

MyBB is free and open source forum software. Prior to 1.8.40, the Contact module does not validate a redirect URL or protocol correctly, resulting in an open redirect and reflected JavaScript code injection. contact.php accepts the redirect target from the from HTTP parameter in $mybb-input'from'...

CVE-2026-45118

MyBB is free and open source forum software. Prior to 1.8.40, the Contact module does not validate a redirect URL or protocol correctly, resulting in an open redirect and reflected JavaScript code injection. contact.php accepts the redirect target from the from HTTP parameter in $mybb-input'from'...

EUVD-2026-61021

MyBB is free and open source forum software. Prior to 1.8.40, the Contact module does not validate a redirect URL or protocol correctly, resulting in an open redirect and reflected JavaScript code injection. contact.php accepts the redirect target from the from HTTP parameter in $mybb-input'from'...

CVE-2026-45118

MyBB's contact.php passes unvalidated from parameter or Referer header to redirect() without protocol checks, allowing a javascript: URI to become a clickable link that executes script when a victim clicks it. No public exploitation evidence is available. Upgrade to MyBB 1.8.40 to fix.

EUVD-2026-61006

MyBB is free and open source forum software. Prior to 1.8.40, the user datahandler does not properly validate checkbox and multiselect profile field types, resulting in stored JavaScript code injection. UserDataHandler::verifyprofilefields only performs the specialized validation when...

CVE-2026-45116 MyBB: Profile field type confusion XSS

MyBB is free and open source forum software. Prior to 1.8.40, the user datahandler does not properly validate checkbox and multiselect profile field types, resulting in stored JavaScript code injection. UserDataHandler::verifyprofilefields only performs the specialized validation when...

CVE-2026-45116

MyBB versions prior to 1.8.40 have a type-confusion flaw in UserDataHandler::verify_profile_fields() (inc/datahandlers/user.php): when a checkbox/multiselect profile field is submitted as a non-array value, the is_array() check is skipped, bypassing specialized validation. The unchecked value is ...

CVE-2026-45116

MyBB is free and open source forum software. Prior to 1.8.40, the user datahandler does not properly validate checkbox and multiselect profile field types, resulting in stored JavaScript code injection. UserDataHandler::verifyprofilefields only performs the specialized validation when...

CVE-2026-45115

MyBB's Buddy/Ignore component fails to escape single quotes in usernames via htmlspecialchars_uni(), enabling stored XSS in the User CP and Private Messages Select Buddies list. Victims are affected when confirming buddy removal in usercp.php or selecting buddies in the xmlhttp.php onclick handle...

EUVD-2026-61005

MyBB is free and open source forum software. Prior to 1.8.40, the Buddy/Ignore component does not sanitize usernames correctly, allowing attackers to perform JavaScript code injection through a specially crafted username. The User CP Buddy/Ignore list and the Select Buddies list in Private Messag...

CVE-2026-45115

MyBB is free and open source forum software. Prior to 1.8.40, the Buddy/Ignore component does not sanitize usernames correctly, allowing attackers to perform JavaScript code injection through a specially crafted username. The User CP Buddy/Ignore list and the Select Buddies list in Private Messag...

CVE-2026-45115 MyBB: Buddy/ignore list username XSS

MyBB is free and open source forum software. Prior to 1.8.40, the Buddy/Ignore component does not sanitize usernames correctly, allowing attackers to perform JavaScript code injection through a specially crafted username. The User CP Buddy/Ignore list and the Select Buddies list in Private Messag...

CVE-2026-55839 Kestra: Stored XSS via custom Markdown [[link]] attribute injection

Kestra is an open-source, event-driven orchestration platform. Prior to 1.3.24, Kestra's custom Markdown parser in ui/src/utils/markdownplugins/link.ts allows a user with permission to create or update a Flow description to inject JavaScript event-handler attributes through the custom link syntax...