PT-2026-110558 · Tduckcloud · Tduck-Survey-Form

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CVE-2026-109167

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Published

2026-10-12

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Updated

2026-10-12

CVSS v3.1

4.3

Medium

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
TDuck survey form through 6.0 contains an insecure direct object reference vulnerability in the saveFormTheme handler that allows authenticated users to overwrite other users' form themes. Attackers whose form has no theme can submit another form's sequential theme id with their own formKey, replacing its colours and image URLs and removing the victim's theme.

Exploit

Fix

IDOR

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Weakness Enumeration

Related Identifiers

CVE-2026-109167

Affected Products

Tduck-Survey-Form