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CVE Vulnerability Details :

CVE-2025-26210

PUBLISHED

More Info Official Page

Assigner-mitre

Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca

Published At-03 Sep, 2025 | 00:00

Updated At-08 Sep, 2025 | 17:39

▼CVE Numbering Authority (CNA)

DeepSeek R1 through V3.1 allows XSS, as demonstrated by JavaScript execution in the context of the run-html-chat.deepseeksvc.com domain. NOTE: some third parties have indicated that this is intended behavior.

Affected Products

Vendor

n/a

Product

n/a

Versions

Affected

Problem Types

Type	CWE ID	Description
text	N/A	n/a

Type: text

CWE ID: N/A

Description: n/a

References

Hyperlink	Resource
https://hackmd.io/@MrqrFIlhQFi7vUwkqbrXDw/deepseek	N/A
https://youtu.be/IgQwy52FVT4	N/A
https://deepseek.com	N/A

Hyperlink: https://hackmd.io/@MrqrFIlhQFi7vUwkqbrXDw/deepseek

Resource: N/A

Hyperlink: https://youtu.be/IgQwy52FVT4

Resource: N/A

Hyperlink: https://deepseek.com

Resource: N/A

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Problem Types

Type	CWE ID	Description
CWE	CWE-79	CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Type: CWE

CWE ID: CWE-79

Description: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Metrics

Version	Base score	Base severity	Vector
3.1	8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Version: 3.1

Base score: 8.8

Base severity: HIGH

Vector:

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

Affected Products

Affected

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Metrics

Metrics Other Info

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Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References