CVE-2026-40597 MantisBT has a Content Security Policy bypass via attachments

Mantis Bug Tracker MantisBT is an open source issue tracker. In versions 2.28.1 and below, given any pre-existing XSS / HTML injection vulnerability, an attacker can bypass the Content Security Policy's script-src directive by uploading a crafted attachment to any issue that, when accessed via th...

EUVD-2026-31496

Mantis Bug Tracker MantisBT is an open source issue tracker. In versions 2.28.1 and below, given any pre-existing XSS / HTML injection vulnerability, an attacker can bypass the Content Security Policy's script-src directive by uploading a crafted attachment to any issue that, when accessed via th...

CVE-2026-40596

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.11.0 through 2.28.1 allow any authenticated user to inject arbitrary HTML by updating their account's font family. Upon exploitation, an XSS payload would be reflected on every MantisBT page. Leveraging another vulnerability...

CVE-2026-40596 MantisBT is vulnerable to XSS and potential account takeover via user font family preference update

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.11.0 through 2.28.1 allow any authenticated user to inject arbitrary HTML by updating their account's font family. Upon exploitation, an XSS payload would be reflected on every MantisBT page. Leveraging another vulnerability...

CVE-2026-40596

Summary (CVE-2026-40596): MantisBT versions 2.11.0–2.28.1 are vulnerable to cross-site scripting via an authenticated user updating their font-family preference. The XSS payload is reflected on every page; with a CSP bypass (GHSA-9c3j-xm6v-j7j3) this could enable account takeover. The issue is fi...

CVE-2026-40596 MantisBT is vulnerable to XSS and potential account takeover via user font family preference update

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.11.0 through 2.28.1 allow any authenticated user to inject arbitrary HTML by updating their account's font family. Upon exploitation, an XSS payload would be reflected on every MantisBT page. Leveraging another vulnerability...

EUVD-2026-31492

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.11.0 through 2.28.1 allow any authenticated user to inject arbitrary HTML by updating their account's font family. Upon exploitation, an XSS payload would be reflected on every MantisBT page. Leveraging another vulnerability...

CVE-2026-40596 MantisBT is vulnerable to XSS and potential account takeover via user font family preference update

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.11.0 through 2.28.1 allow any authenticated user to inject arbitrary HTML by updating their account's font family. Upon exploitation, an XSS payload would be reflected on every MantisBT page. Leveraging another vulnerability...

CVE-2026-40596: Improper Neutralization of Input During Web Page Generation

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.11.0 through 2.28.1 allow any authenticated user to inject arbitrary HTML by updating their account's font family. Upon exploitation, an XSS payload would be reflected on every MantisBT page. Leveraging another vulnerability...

CVE-2026-40597: Improper Neutralization of Input During Web Page Generation

Mantis Bug Tracker MantisBT is an open source issue tracker. In versions 2.28.1 and below, given any pre-existing XSS / HTML injection vulnerability, an attacker can bypass the Content Security Policy's script-src directive by uploading a crafted attachment to any issue that, when accessed via th...

Mantis Bug Tracker 安全漏洞

Mantis Bug Tracker MantisBT is an open-source bug tracker developed by Mantis Bug Tracker. Mantis Bug Tracker versions 2.28.1 and earlier have security vulnerabilities, which stem from improper escaping of redirect pages, potentially leading to HTML injection attacks. The following versions are...

Mantis Bug Tracker 安全特征问题漏洞

Mantis Bug Tracker MantisBT is an open-source bug tracker developed by Mantis Bug Tracker. Versions of Mantis Bug Tracker prior to 2.28.1 contained a security vulnerability related to the script-src directive, which allowed bypassing content security policies by uploading specially crafted...

CVE-2026-40598: Improper Neutralization of Input During Web Page Generation

Mantis Bug Tracker MantisBT is an open source issue tracker. In versions 2.28.1 and below, improper escaping of the redirection page retrieved from the request's Referer header allows an attacker to inject HTML. While this is generally not directly actionable as modern browsers will URL-encode...

CVE-2026-40607: Improper Neutralization of Input During Web Page Generation

Mantis Bug Tracker MantisBT is an open source issue tracker. In versions 2.11.0 through 2.28.1, a Stored XSS vulnerability is caused by incorrect escaping of a saved filter's owner, allowing an attacker to inject arbitrary HTML on systems where $gshowuserrealname = ON. Note that By default, only...

Mantis Bug Tracker 跨站脚本漏洞

Mantis Bug Tracker MantisBT is an open-source bug tracker developed by Mantis Bug Tracker. Versions 2.11.0 to 2.28.1 of Mantis Bug Tracker contain a cross-site scripting vulnerability. This vulnerability stems from improper escaping of the filter owner’s name, which may lead to stored-cross-site...

Mantis Bug Tracker 跨站脚本漏洞

Mantis Bug Tracker MantisBT is an open-source bug tracker developed by Mantis Bug Tracker. Versions 2.11.0 to 2.28.1 of Mantis Bug Tracker contain a cross-site scripting vulnerability. This vulnerability stems from allowing any authenticated user to inject arbitrary HTML through the update accoun...

CVE-2026-39960

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.28.1 and below contain flawed logic that causes improper escaping of a textarea custom field's contents in the Update Issue page, bugupdatepage.php allowing an attacker to inject HTML and, if CSP settings permit, execute...

CVE-2026-39960

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.28.1 and below contain flawed logic that causes improper escaping of a textarea custom field's contents in the Update Issue page, bugupdatepage.php allowing an attacker to inject HTML and, if CSP settings permit, execute...

EUVD-2026-31192

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.28.1 and below contain flawed logic that causes improper escaping of a textarea custom field's contents in the Update Issue page, bugupdatepage.php allowing an attacker to inject HTML and, if CSP settings permit, execute...

CVE-2026-39960 MantisBT is Vulnerable to Stored XSS through Custom Field Textarea Values

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.28.1 and below contain flawed logic that causes improper escaping of a textarea custom field's contents in the Update Issue page, bugupdatepage.php allowing an attacker to inject HTML and, if CSP settings permit, execute...