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CVE-2026-40598— MantisBT has Potential Referer-Based Reflected HTML Injection / XSS in Tag Update Page

AI Predicted 5.4 Difficulty: Moderate EPSS 0.04% · P14

Affected Version Matrix 1

VendorProductVersion RangeStatus
mantisbtmantisbt< 2.28.2affected
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I. Basic Information for CVE-2026-40598

Vulnerability Information

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Vulnerability Title
MantisBT has Potential Referer-Based Reflected HTML Injection / XSS in Tag Update Page
Source: NVD (National Vulnerability Database)
Vulnerability Description
Mantis Bug Tracker (MantisBT) is an open source issue tracker. In versions 2.28.1 and below, improper escaping of the redirection page (retrieved from the request's Referer header) allows an attacker to inject HTML. While this is generally not directly actionable as modern browsers will URL-encode special characters, on some specific server configurations this could poison the cache, leading to cross-site scripting. This issue has been fixed in version 2.28.2.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
mantisbtmantisbt < 2.28.2 -

II. Public POCs for CVE-2026-40598

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III. Intelligence Information for CVE-2026-40598

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Patches & Fixes for CVE-2026-40598 (1)

Vendor Advisories for CVE-2026-40598 (2)

Same Patch Batch · mantisbt · 2026-05-22 · 4 CVEs total

CVE-2026-40597MantisBT has a Content Security Policy bypass via attachments
CVE-2026-40596MantisBT is vulnerable to XSS and potential account takeover via user font family preferen
CVE-2026-40607MantisBT is Vulnerable to Stored XSS Through its Saved-Filter Owner Column

IV. Related Vulnerabilities

V. Comments for CVE-2026-40598

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