MantisBT < 2.28.4 Multiple Vulnerabilities

critical Nessus Plugin ID 331104

Synopsis

The remote host is affected by multiple vulnerabilities.

Description

The version of MantisBT installed on the remote host is prior to 2.28.4. It is, therefore, affected by multiple vulnerabilities:

- A SQL injection vulnerability exists in core/history_api.php. The history_order configuration value is concatenated directly into a SQL ORDER BY clause without any sanitisation, parameterization, or validation against a whitelist. (CVE-2026-47142)

- A critical authentication bypass exists in the SOAP API's mci_check_login() function. Any user knowing any valid cookie_string can authenticate as any other user (knowing their username), including the administrator, without knowing the target's password. (CVE-2026-47156)

- MantisBT contains reflected XSS injection points in /admin/install.php. User-supplied parameters are echoed into HTML without escaping via an unescaped printf format string. No authentication is required.
(CVE-2026-52881)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to MantisBT version 2.28.4 or later.

Plugin Details

Severity: Critical

ID: 331104

File Name: mantis_2_28_4_multiple_vulns.nasl

Version: 1.1

Type: Remote

Family: CGI abuses

Published: 7/30/2026

Updated: 7/30/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.12

CVSS v2

Risk Factor: High

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2026-47156

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/a:mantisbt:mantisbt

Required KB Items: installed_sw/MantisBT

Patch Publication Date: 7/15/2026

Vulnerability Publication Date: 7/15/2026

Reference Information

CVE: CVE-2026-47142, CVE-2026-47156, CVE-2026-52847, CVE-2026-52881, CVE-2026-62944

IAVA: 2026-B-0202

Detections

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