CVE-2024-8027Public exploitNetwork attack vector

Browser script execution via uploaded knowledge files

Published Mar 20, 2025 · Updated Mar 20, 2025

Stored XSS in NetEase Youdao QAnything allows remote attackers to execute script in a user's browser through an uploaded knowledge file. The public disclosure states that file content persists in the knowledge base and is rendered during chat, but it does not identify the rendering component or missing neutralization operation. Execution requires a user to open an affected chat response, allowing the script to read or alter data available to that browser session.

CVSS severity6.1
Medium
EPSS probability0.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in NetEase Youdao QAnything allows remote attackers to execute script in a user's browser through an uploaded knowledge file. The public disclosure states that file content persists in the knowledge base and is rendered during chat, but it does not identify the rendering component or missing neutralization operation. Execution requires a user to open an affected chat response, allowing the script to read or alter data available to that browser session.

The record

CVE
CVE-2024-8027
Published
Mar 20, 2025
Updated
Mar 20, 2025
Vendor
NetEase Youdao
Product
QAnything
Classifications
CWE-79, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 20, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 20, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <=latest

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

NetEase Youdao · QAnythingversion=unspecified <=latest

Published CVSS scores

6.1huntr.devCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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