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CVE-2026-40596 MantisBT is vulnerable to XSS and potential account takeover via user font family preference update

🗓️ 22 May 2026 19:25:32Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 31 Views

MantisBT XSS via font family update in versions 2.11.0–2.28.1, risking account takeover; fixed in 2.28.2.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-40596
22 May 202619:25
–attackerkb
circl
Circl
CVE-2026-40596
22 May 202622:11
–circl
cnnvd
CNNVD
Mantis Bug Tracker 跨站脚本漏洞
22 May 202600:00
–cnnvd
cve
CVE
CVE-2026-40596
22 May 202619:25
–cve
euvd
EUVD
EUVD-2026-31492
22 May 202619:25
–euvd
github
Github Security Blog
MantisBT is Vulnerable to XSS leading to account takeover via updating a user's font family preference
11 May 202619:34
–github
nessus
Tenable Nessus
MantisBT 2.11.0 < 2.28.2 Font Family Preference XSS (GHSA-j3v9-553h-x28j)
18 May 202600:00
–nessus
mend
Mend
CVE-2026-40596
22 May 202619:25
–mend
nvd
NVD
CVE-2026-40596
22 May 202620:16
–nvd
osv
OSV
GHSA-9C3J-XM6V-J7J3 MantisBT has a Content Security Policy bypass via attachments
11 May 202619:34
–osv
Rows per page
[
  {
    "vendor": "mantisbt",
    "product": "mantisbt",
    "versions": [
      {
        "version": ">= 2.11.0, < 2.28.2",
        "status": "affected"
      }
    ]
  }
]

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