6.1
MEDIUM CVSS 3.1
CVE-2025-63872
DeepSeek XSS Vector Injection
Description

DeepSeek V3.2 has a Cross Site Scripting (XSS) vulnerability, which allows JavaScript execution through model-generated SVG content.

INFO

Published Date :

Dec. 2, 2025, 4:15 p.m.

Last Modified :

Jan. 14, 2026, 7:21 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2025-63872 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Deepseek deepseek
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Sanitize SVG content to prevent JavaScript execution from model outputs.
  • Validate and sanitize all user-supplied input.
  • Disable or restrict SVG generation if possible.
  • Implement strict output encoding for generated content.
Public PoC/Exploit Available at Github

CVE-2025-63872 has a 4 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-63872.

URL Resource
https://medium.com/@vinitkundu14/cve-2025-63872-svg-based-xss-in-deepseek-chat-v3-2-db4ebc1f1f28 Exploit Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-63872 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-63872 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Feed about Cybersecurity💻

Go

Updated: 4 days, 23 hours ago
0 stars 0 fork 0 watcher
Born at : Nov. 4, 2025, 7:41 a.m. This repo has been linked 1 different CVEs too.

None

Go

Updated: 4 days, 23 hours ago
0 stars 1 fork 1 watcher
Born at : Sept. 26, 2025, 4:14 p.m. This repo has been linked 1 different CVEs too.

None

Go

Updated: 4 days, 23 hours ago
0 stars 0 fork 0 watcher
Born at : July 24, 2025, 4:50 p.m. This repo has been linked 1 different CVEs too.

This repository updates latest Bug Bounty medium writeups every 10 minutes, https://readmedium.com/Medium_URL, https://archive.ph/Medium_URL, https://freedium.cfd/Medium_URL

bugbounty recon reconnaissance bug-bounty bugbountytips hacking infosec osint osint-resources osint-tool penetration-testing pentest-tool pentesting security security-tools threat-intelligence reconnaissance-bugbounty-writeups

Go

Updated: 4 days, 23 hours ago
132 stars 22 fork 22 watcher
Born at : Sept. 28, 2024, 6:44 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-63872 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-63872 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jan. 14, 2026

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:deepseek:deepseek:3.2:*:*:*:*:*:*:*
    Added Reference Type MITRE: https://medium.com/@vinitkundu14/cve-2025-63872-svg-based-xss-in-deepseek-chat-v3-2-db4ebc1f1f28 Types: Exploit, Third Party Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Dec. 02, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    Added CWE CWE-79
  • New CVE Received by [email protected]

    Dec. 02, 2025

    Action Type Old Value New Value
    Added Description DeepSeek V3.2 has a Cross Site Scripting (XSS) vulnerability, which allows JavaScript execution through model-generated SVG content.
    Added Reference https://medium.com/@vinitkundu14/cve-2025-63872-svg-based-xss-in-deepseek-chat-v3-2-db4ebc1f1f28
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 6.1
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact