CVE-2024-23830: MantisBT Host Header Injection vulnerability

Severity: high (CVSS 8.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-02-20 · updated 2026-06-17
Weakness: CWE-74

Description

MantisBT is an open source issue tracker. Prior to version 2.26.1, an unauthenticated attacker who knows a user's email address and username can hijack the user's account by poisoning the link in the password reset notification message. A patch is available in version 2.26.1. As a workaround, define `$g_path` as appropriate in `config_inc.php`.

Affected products

mantisbt: before 2.26.1 — fixed in 2.26.1

How to fix

Upgrade to a fixed version: mantisbt 2.26.1. Check the vendor advisory for mitigations.

References

https://github.com/mantisbt/mantisbt/commit/7055731d09ff12b2781410a372f790172e279744
https://github.com/mantisbt/mantisbt/security/advisories/GHSA-mcqj-7p29-9528
https://mantisbt.org/bugs/view.php?id=19381
https://github.com/mantisbt/mantisbt/commit/7055731d09ff12b2781410a372f790172e279744
https://github.com/mantisbt/mantisbt/security/advisories/GHSA-mcqj-7p29-9528
https://mantisbt.org/bugs/view.php?id=19381

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