CVE-2019-15074

9.6 criticalEPSS 2.1%

Critical (9.6) in mantisbt mantisbt. EPSS 2.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

9.6 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

EPSS: 2.1% chance of exploitation in the next 30 days; higher than 81% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2019-08-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mantisbt:mantisbt

References

https://github.com/mantisbt/mantisbt/commit/9cee1971c498bbe0a72bca1c773fae50171d8c27
https://mantisbt.org/bugs/view.php?id=25995
https://github.com/mantisbt/mantisbt/commit/9cee1971c498bbe0a72bca1c773fae50171d8c27
https://mantisbt.org/bugs/view.php?id=25995

Check your stack JSON