CVE-2018-16514

MantisBT cross-site scripting (XSS) vulnerability through crafted PATH_INFO

4.7 MediumFix available

A cross-site scripting (XSS) vulnerability in the View Filters page (view_filters_page.php) and Edit Filter page (manage_filter_edit_page.php) in MantisBT 2.1.0 through 2.17.0 allows remote attackers to inject arbitrary code (if CSP settings permit it) through a crafted PATH_INFO. NOTE: this vulnerability exists because of an incomplete fix for CVE-2018-13055.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.89%Up 0.4 points since Apr 14, 2021

What each source reports

NVD Score used 4.7

Record: CVE-2018-16514
CVSS 3.0: 4.7 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 2.6 LowAV:N/AC:H/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-16514
Updated: 2026-11-02

EUVDEUVD-2018-8325 No score

Record: EUVD-2018-8325
Updated: 2026-11-03

GitHub AdvisoriesGHSA-3qv7-98vm-xx2v 6.1

MantisBT cross-site scripting (XSS) vulnerability through crafted PATH_INFO

Record: GHSA-3qv7-98vm-xx2v
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSV 4.7

Record: CVE-2018-16514
CVSS 3.0: 4.7 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVGHSA-3qv7-98vm-xx2v 6.1

MantisBT cross-site scripting (XSS) vulnerability through crafted PATH_INFO

Record: GHSA-3qv7-98vm-xx2v
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

mantisbt

Affected packages

Affected packages
Package	Affected	Fixed
`mantisbt/mantisbt` Packagist	2.1.0 to 2.17.0	2.17.1
`mantisbt/mantisbt` Packagist	2.1.0 up to 2.17.1, plus listed versions 2.10.02.10.12.11.02.11.12.12.0 Show 28 moreShow less 2.12.12.12.22.13.02.13.12.13.22.14.02.15.02.15.12.16.02.16.12.17.02.3.02.3.12.3.22.3.32.4.02.4.12.4.22.5.02.5.12.5.22.6.02.7.02.7.12.8.02.8.12.9.02.9.1	2.17.1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-16514 is a medium vulnerability (CVSS 4.7) in Mantisbt, published June 20, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.89%, the 59th percentile. Fixed in mantisbt/mantisbt 2.17.1.