CVE-2019-15074: MantisBT allows cross-site scripting (XSS) via crafted filename

May 24, 2022 (updated October 31, 2025)

The Timeline feature in my_view_page.php in MantisBT through 2.21.1 has a stored cross-site scripting (XSS) vulnerability, allowing execution of arbitrary code (if CSP settings permit it) after uploading an attachment with a crafted filename. The code is executed for any user having visibility to the issue, whenever My View Page is displayed.

References

github.com/advisories/GHSA-gg4j-279j-22ph
github.com/mantisbt/mantisbt
github.com/mantisbt/mantisbt/commit/9cee1971c498bbe0a72bca1c773fae50171d8c27
mantisbt.org/bugs/view.php?id=25995
nvd.nist.gov/vuln/detail/CVE-2019-15074

Code Behaviors & Features

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