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Vulnerability details: VCID-hcet-rrn3-j7gj
Vulnerability ID VCID-hcet-rrn3-j7gj
Aliases CVE-2026-44655
GHSA-7mqj-8gj2-cg59
Summary MantisBT has Stored XSS on Move Attachments Admin Page 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. ### Impact Cross-site scripting (XSS). This is mitigated by Content Security Policy which restricts scripts execution. ### Patches - 5cb4b469295889f5d2b01677c9bf82c143e0fdaa ### Workarounds None
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
System Score Found at
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2026-44655
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2026-44655
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2026-44655
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-7mqj-8gj2-cg59
cvssv4 8.6 https://github.com/mantisbt/mantisbt
generic_textual HIGH https://github.com/mantisbt/mantisbt
cvssv4 8.6 https://github.com/mantisbt/mantisbt/commit/5cb4b469295889f5d2b01677c9bf82c143e0fdaa
generic_textual HIGH https://github.com/mantisbt/mantisbt/commit/5cb4b469295889f5d2b01677c9bf82c143e0fdaa
ssvc Track https://github.com/mantisbt/mantisbt/commit/5cb4b469295889f5d2b01677c9bf82c143e0fdaa
cvssv3.1_qr HIGH https://github.com/mantisbt/mantisbt/security/advisories/GHSA-7mqj-8gj2-cg59
cvssv4 8.6 https://github.com/mantisbt/mantisbt/security/advisories/GHSA-7mqj-8gj2-cg59
generic_textual HIGH https://github.com/mantisbt/mantisbt/security/advisories/GHSA-7mqj-8gj2-cg59
ssvc Track https://github.com/mantisbt/mantisbt/security/advisories/GHSA-7mqj-8gj2-cg59
cvssv4 8.6 https://mantisbt.org/bugs/view.php?id=37099
generic_textual HIGH https://mantisbt.org/bugs/view.php?id=37099
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-44655
https://github.com/mantisbt/mantisbt
https://github.com/mantisbt/mantisbt/commit/5cb4b469295889f5d2b01677c9bf82c143e0fdaa
https://github.com/mantisbt/mantisbt/security/advisories/GHSA-7mqj-8gj2-cg59
https://mantisbt.org/bugs/view.php?id=37099
GHSA-7mqj-8gj2-cg59 https://github.com/advisories/GHSA-7mqj-8gj2-cg59
No exploits are available.
Vector: 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 Found at https://github.com/mantisbt/mantisbt
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: 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 Found at https://github.com/mantisbt/mantisbt/commit/5cb4b469295889f5d2b01677c9bf82c143e0fdaa
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

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present

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passive

active

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Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2026-05-29T19:11:59Z/ Found at https://github.com/mantisbt/mantisbt/commit/5cb4b469295889f5d2b01677c9bf82c143e0fdaa
Vector: 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 Found at https://github.com/mantisbt/mantisbt/security/advisories/GHSA-7mqj-8gj2-cg59
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

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none

passive

active

high

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none

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Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2026-05-29T19:11:59Z/ Found at https://github.com/mantisbt/mantisbt/security/advisories/GHSA-7mqj-8gj2-cg59
Vector: 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 Found at https://mantisbt.org/bugs/view.php?id=37099
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

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low

none

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none
Exploit Prediction Scoring System (EPSS)
Percentile 0.18054
EPSS Score 0.00057
Published At June 5, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T17:03:43.749818+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-7mqj-8gj2-cg59/GHSA-7mqj-8gj2-cg59.json 38.6.0