CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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Description
A flaw has been found in assafelovic gpt-researcher up to 3.4.3. The impacted element is an unknown function of the file backend/server/app.py of the component Report API. This manipulation causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Analysis
Stored cross-site scripting (XSS) in assafelovic gpt-researcher versions up to 3.4.3 allows unauthenticated remote attackers to inject malicious scripts via the Report API in backend/server/app.py. The vulnerability requires user interaction (report viewing) to trigger payload execution and carries low integrity impact (CVSS 4.3). …
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External POC / Exploit Code
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EUVD-2026-19184