CVE-2017-7620 MantisBT vulnerable to CSRF and Open Redirect attacks

What is CVE-2017-7620?

CVE-2017-7620 is a medium-severity vulnerability in Mantisbt Mantisbt, published on 21 May 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

MantisBT before 1.3.11, 2.x before 2.3.3, and 2.4.x before 2.4.1 omits a backslash check in string_api.php and consequently has conflicting interpretations of an initial \/ substring as introducing either a local pathname or a remote hostname, which leads to (1) arbitrary Permalink Injection via CSRF attacks on a permalink_page.php?url= URI and (2) an open redirect via a login_page.php?return= URI.

Weakness: CWE-352

Which versions are affected by CVE-2017-7620?

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

Products include Mantisbt Mantisbt.

How do I fix CVE-2017-7620?

Upgrade mantisbt/mantisbt to a fixed version for your release line: 1.3.11, 2.3.3 or 2.4.1.

Is CVE-2017-7620 being exploited?

There is no known exploitation of CVE-2017-7620 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

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-9x76-mp7r-2xc5.