XSS in Mantisbt Linked Custom Fields
CVE-2023-49802
The LinkedCustomFields plugin for MantisBT allows users to link values between two custom fields, creating linked drop-downs. Prior to version 2.0.1, cross-site scripting in the MantisBT LinkedCustomFields plugin allows Javascript execution, when a crafted Custom Field is linked via the plugin and displayed when reporting a new Issue or editing an existing one. This issue is fixed in version 2.0.1. As a workaround, one may utilize MantisBT's default Content Security Policy, which blocks script execution.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.007 (47.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L.
Affected products
- Mantisbt Linked_custom_fields
- Mantisbt-plugins Linkedcustomfields — versions < 2.0.1
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2023-49802?
- CVE-2023-49802 is a medium-severity vulnerability in Mantisbt Linked Custom Fields, classified under Cross-site Scripting. CVSS score: 6.7/10. Published 2023-12-11.
- How severe is CVE-2023-49802?
- Medium severity. CVSS v3 base score is 6.7 out of 10.