CVE-2020-35571: MantisBT XSS in manage_custom_field_update.php

May 24, 2022 (updated May 30, 2025)

An issue was discovered in MantisBT through 2.24.3. In the helper_ensure_confirmed call in manage_custom_field_update.php, the custom field name is not sanitized. This may be problematic depending on CSP settings.

References

github.com/advisories/GHSA-cvrm-cr3m-qj92
github.com/mantisbt/mantisbt
github.com/mantisbt/mantisbt/commit/100c3d58c3f6f12b7a6cf97fba473ede521f20db
mantisbt.org/bugs/view.php?id=27768
nvd.nist.gov/vuln/detail/CVE-2020-35571

Code Behaviors & Features

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