CVE-2018-9839

6.5 mediumEPSS 1.2%

Medium (6.5) in mantisbt mantisbt. EPSS 1.2% chance of exploitation in the next 30 days.

An issue was discovered in MantisBT through 1.3.14, and 2.0.0. Using a crafted request on bug_report_page.php (modifying the 'm_id' parameter), any user with REPORTER access or above is able to view any private issue's details (summary, description, steps to reproduce, additional information) when cloning it. By checking the 'Copy issue notes' and 'Copy attachments' checkboxes and completing the clone operation, this data also becomes public (except private notes).

Severity

CVSS 3.0

6.5 medium

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

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2019-06-06
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mantisbt:mantisbt

References

https://github.com/mantisbt/mantisbt/commit/1fbcd9bca2f2c77cb61624d36ddee4b3802c38ea
https://mantisbt.org/bugs/view.php?id=24221
https://github.com/mantisbt/mantisbt/commit/1fbcd9bca2f2c77cb61624d36ddee4b3802c38ea
https://mantisbt.org/bugs/view.php?id=24221

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