assafelovic gpt-researcher up to 3.4.3 Report API backend/server/app.py cross site scripting
Summary
A vulnerability classified as problematic was found in assafelovic gpt-researcher up to 3.4.3. This affects an unknown function of the file backend/server/app.py of the component Report API. Such manipulation leads to cross site scripting. This vulnerability is listed as CVE-2026-5630. The attack may be performed from remote. In addition, an exploit is available. The project was informed of the problem early through an issue report but has not responded yet.
Details
A vulnerability was found in assafelovic gpt-researcher up to 3.4.3. It has been rated as problematic. Affected by this issue is an unknown function of the file backend/server/app.py of the component Report API. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity.
The advisory is available at github.com. This vulnerability is handled as CVE-2026-5630. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details as well as a public exploit are known. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.
The exploit is available at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-19184). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
Version
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 3.9
VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Cross site scriptingCWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
04/05/2026 Advisory disclosed04/05/2026 VulDB entry created
04/06/2026 VulDB entry last update
Sources
Product: github.comAdvisory: 1693
Status: Not defined
CVE: CVE-2026-5630 (🔒)
GCVE (CVE): GCVE-0-2026-5630
GCVE (VulDB): GCVE-100-355418
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 04/05/2026 21:17Updated: 04/06/2026 14:34
Changes: 04/05/2026 21:17 (58), 04/06/2026 14:34 (1)
Complete: 🔍
Submitter: Yu-Bao
Cache ID: 216::103
Submit
Accepted
- Submit #785856: assafelovic gpt-researcher 3.4.3 Stored Cross-Site Scripting (XSS) (by Yu-Bao)
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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