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.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| mantisbt/mantisbt(Packagist) | 0 | 2.21.2 | N/A |
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