CVE-2026-114398

MEDIUM 5.4

Trudesk through 1.2.11 Unrestricted File Upload via /settings/general/uploadlogo

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

Trudesk through 1.2.11 contains an unrestricted file upload vulnerability that allows any authenticated user to place HTML or SVG files in the public webroot via the uploadlogo, uploadpagelogo and uploadfavicon endpoints. Attackers can spoof an image MIME type to upload script-bearing files served unauthenticated from /assets/, enabling stored cross-site scripting and replacement of instance branding.

CWE	CWE-434
Vendor	polonel
Product	trudesk
Published	Oct 21, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

polonel / trudesk

0 ≤ 1.2.11

References

NVD ↗ CVE.org ↗ EPSS Data ↗

hackmd.io: https://hackmd.io/@leediay/multiple-vuln-trudesk-1211 github.com: https://github.com/polonel/trudesk/blob/v1.2.11/src/controllers/main.js#L612-L837 github.com: https://github.com/polonel/trudesk/blob/v1.2.11/src/routes/index.js#L293-L295 github.com: https://github.com/polonel/trudesk vulncheck.com: https://www.vulncheck.com/advisories/trudesk-through-1.2.11-unrestricted-file-upload-via-settings-general-uploadlogo

Credits

leediay153 from Viettel Post