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CVE-2026-44655— MantisBT: Stored XSS on Move Attachments Admin Page

Quick assessment

Affected
mantisbt mantisbt
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mantis Bug Tracker（MantisBT）是Mantis Bug Tracker开源的一个 bug 跟踪器。 Mantis Bug Tracker（MantisBT） 1.3.0版本至2.28.1版本存在跨站脚本漏洞，该漏洞源于项目名称未转义，允许具有设置权限的攻击者在移动附件管理页面注入HTML。

AI Predicted 4.3 Difficulty: Trivial EPSS 0.44% · P36

Affected Version Matrix 1

VendorProduct Version RangeStatus
mantisbt mantisbt >= 1.3.0, < 2.28.2 affected
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I. Basic Information for CVE-2026-44655

Vulnerability Information
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Vulnerability Title
MantisBT: Stored XSS on Move Attachments Admin Page
Source: CVE Program / CVE List V5
Vulnerability Description
Mantis Bug Tracker (MantisBT) is an open source issue tracker. From 1.3.0 to 2.28.1, unescaped Project Name allows an attacker that can set it (which typically requires manager or administrator access level) to inject HTML in Move Attachments admin page. This vulnerability is fixed in 2.28.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Mantis Bug Tracker（MantisBT） 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mantis Bug Tracker（MantisBT）是Mantis Bug Tracker开源的一个 bug 跟踪器。 Mantis Bug Tracker（MantisBT） 1.3.0版本至2.28.1版本存在跨站脚本漏洞，该漏洞源于项目名称未转义，允许具有设置权限的攻击者在移动附件管理页面注入HTML。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
mantisbt mantisbt >= 1.3.0, < 2.28.2 -

II. Public POCs for CVE-2026-44655

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III. Intelligence Information for CVE-2026-44655

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Patches & Fixes for CVE-2026-44655 (1)

Vendor Advisories for CVE-2026-44655 (1)

Same Patch Batch · mantisbt · 2026-05-28 · 5 CVEs total

CVE-2026-41897 MantisBT: Reflected XSS in Rendering Dynamic Custom Textarea Field
CVE-2026-42071 MantisBT: Private Bugnote Attachment Content Leak via REST API
CVE-2026-42070 MantisBT: Authorization Bypass in Bugnote Editing via Issue Update API
CVE-2026-44657 MantisBT: Stored XSS in File Download

IV. Related Vulnerabilities

Same product: mantisbt
Same vendor: mantisbt
Same weakness: CWE-79

V. Comments for CVE-2026-44655

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