GHSA-f633-865q-2mhh

Suggest an improvement
Source
https://github.com/advisories/GHSA-f633-865q-2mhh
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-f633-865q-2mhh/GHSA-f633-865q-2mhh.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-f633-865q-2mhh
Aliases
  • CVE-2026-40607
Published
2026-05-11T19:35:05Z
Modified
2026-05-11T19:48:59.563618Z
Severity
  • 7.5 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N CVSS Calculator
Summary
MantisBT is Vulnerable to Stored XSS in Saved-Filter Owner Column
Details

Incorrect escaping of a saved filter's owner allows an attacker to inject arbitrary HTML on systems where $gshowuser_realname = ON.

Impact

Cross-site scripting (XSS).

Note that By default, only users with Manager access level or above can save their filters publicly

Patches

  • 44f490bcf20fd491c1b8f3fc9dd041d8c2a30010

Workarounds

  • Prevent display of users' real name (set $g_ show_user_realname = OFF; in configuration)
  • Restrict ability to store filters (set $g_stored_query_create_threshold / $g_stored_query_create_shared_threshold to NOBODY

Credits

Thanks to siunam (Tang Cheuk Hei) for discovering and responsibly reporting the issue.

Database specific 
{
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-11T19:35:05Z",
    "cwe_ids": [
        "CWE-79"
    ],
    "severity": "HIGH",
    "nvd_published_at": null
}
References

Affected packages

Packagist / mantisbt/mantisbt

Package

Name
mantisbt/mantisbt
Purl
pkg:composer/mantisbt/mantisbt

Affected ranges

Type
ECOSYSTEM
Events
Introduced
2.1.0
Fixed
2.28.2

Affected versions

2.*
2.3.0
2.3.1
2.3.2
2.3.3
2.4.0
2.4.1
2.4.2
2.5.0
2.5.1
2.5.2
2.6.0
2.7.0
2.7.1
2.8.0
2.8.1
2.9.0
2.9.1
2.10.0
2.10.1
2.11.0
2.11.1
2.12.0
2.12.1
2.12.2
2.13.0
2.13.1
2.13.2
2.14.0
2.15.0
2.15.1
2.16.0
2.16.1
2.17.0
2.17.1
2.17.2
2.18.0
2.18.1
2.19.0
2.19.1
2.20.0
2.20.1
2.21.0
2.21.1
2.21.2
2.21.3
2.22.0
2.22.1
2.22.2
2.23.0
2.23.1
2.24.0
2.24.1
2.24.2
2.24.3
2.24.4
2.24.5
2.25.0
2.25.1
2.25.2
2.25.3
2.25.4
2.25.5
2.25.6
2.25.7
2.25.8
2.26.0
2.26.1
2.26.2
2.26.3
2.26.4
2.27.0
2.27.1
2.27.2
2.27.3
2.28.0
2.28.1

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-f633-865q-2mhh/GHSA-f633-865q-2mhh.json"
last_known_affected_version_range 
"<= 2.28.1"