CVE-2024-39174Public exploitNetwork attack vector

Stored script execution via UEditor filter bypass

Published Jul 5, 2024 · Updated Aug 2, 2024

Stored cross-site scripting in YzmCMS 7.1 allows remote authenticated users to execute script in an administrator's browser. The article-publishing route at /member/member_content/init.html accepts crafted UEditor content that bypasses YzmCMS XSS filtering and is stored with the article. Article publishing must be enabled, the attacker must register and publish the payload, and an administrator must open and click it, exposing browser-accessible data and actions.

CVSS severity6.1
Medium
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in YzmCMS 7.1 allows remote authenticated users to execute script in an administrator's browser. The article-publishing route at /member/member_content/init.html accepts crafted UEditor content that bypasses YzmCMS XSS filtering and is stored with the article. Article publishing must be enabled, the attacker must register and publish the payload, and an administrator must open and click it, exposing browser-accessible data and actions.

The record

CVE
CVE-2024-39174
Published
Jul 5, 2024
Updated
Aug 2, 2024
Vendor
Yuan Zhimeng Studio
Product
YzmCMS
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 5, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record 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=7.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Yuan Zhimeng Studio · YzmCMSversion=7.1

Published CVSS scores

6.1CISA-ADPCVSS:3.1/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
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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