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.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Link | Tags |
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https://mantisbt.org/bugs/view.php?id=25995 | issue tracking exploit vendor advisory |
https://github.com/mantisbt/mantisbt/commit/9cee1971c498bbe0a72bca1c773fae50171d8c27 | third party advisory patch |