Description
Mantis Bug Tracker (MantisBT) is an open source issue tracker. Prior to 2.28.2, using show_inline=1 parameter and a valid file_show_inline_token CSRF token on file_download.php, an attacker can execute code by uploading a crafted XHTML attachment referencing a JavaScript attachment. This vulnerability is fixed in 2.28.2.
References (4)
Core 4
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/mantisbt/mantisbt/security/advisories/GHSA-p6fr-rxq7-xcg8
X_Refsource_Misc x_refsource_misc
https://github.com/mantisbt/mantisbt/security/advisories/GHSA-9c3j-xm6v-j7j3
X_Refsource_Misc x_refsource_misc
https://github.com/mantisbt/mantisbt/commit/26647b2e68ba30b9d7987d4e03d7a16416684bc2
X_Refsource_Misc x_refsource_misc
https://mantisbt.org/bugs/view.php?id=37020
Scores
CVSS v4
7.5
EPSS
0.0035
EPSS Percentile
26.6%
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-79
Status
published
Products (2)
mantisbt/mantisbt
0 - 2.28.2Packagist
mantisbt/mantisbt
< 2.28.2
Published
May 28, 2026
Tracked Since
May 29, 2026