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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (49.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Mantisbt Linked Custom Fields
- Mantisbt-Plugins Linkedcustomfields — versions < 2.0.1
Weakness classification (CWE)
References
- github.com/mantisbt-plugins/LinkedCustomFields/security/advisories/GHSA-2f37-9x… (Vendor Advisory)
- github.com/mantisbt-plugins/LinkedCustomFields/issues/10 (Patch, Issue Tracking)
- github.com/mantisbt-plugins/LinkedCustomFields/pull/11 (Issue Tracking)
- github.com/mantisbt-plugins/LinkedCustomFields/commit/30e5ae751e40d7ae18bfd794f… (Patch)
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.