CVE-2023-22476 MantisBT: Exposure of Private issues' summary to unauthorized users

What is CVE-2023-22476?

CVE-2023-22476 is a medium-severity vulnerability in Mantisbt Mantisbt, published on 23 Feb 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Mantis Bug Tracker (MantisBT) is an open source issue tracker. In versions prior to 2.25.6, due to insufficient access-level checks, any logged-in user allowed to perform Group Actions can access to the _Summary_ field of private Issues (i.e. having Private view status, or belonging to a private Project) via a crafted `bug_arr[]` parameter in *bug_actiongroup_ext.php*. This issue is fixed in version 2.25.6. There are no workarounds.

Weakness: CWE-200

Which versions are affected by CVE-2023-22476?

2 open source packages ship an affected version, including mantisbt/mantisbt. It affects 1 product.

Products include Mantisbt Mantisbt.

How do I fix CVE-2023-22476?

Upgrade mantisbt/mantisbt to 2.25.6 or later.

Is CVE-2023-22476 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-22476 exists.

Other vulnerabilities in Mantisbt Mantisbt

• CVE-2019-15074 MantisBT allows cross-site scripting (XSS) via crafted filename Critical 9.6
• CVE-2026-30849 MantisBT SOAP API has an authentication bypass vulnerability on MySQL Critical 9.3
• CVE-2025-47776 MantisBT: Authentication bypass for some passwords due to PHP type juggling High 8.8
• CVE-2017-7615 MantisBT allows arbitrary password reset High 8.8
• CVE-2026-33517 MantisBT Vulnerable to Stored HTML Injection in Tag Delete Confirmation High 8.6

All Mantisbt Mantisbt vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-hf4x-6h87-hm79.