CVE-2020-36609Public exploitNetwork attack vector

Stored cross-site scripting via unfiltered article content

Published Dec 8, 2022 · Updated Apr 15, 2025

Stored cross-site scripting in DuxCMS 2.1 Article Handler allows remote authenticated users to execute JavaScript via article content. The edit endpoint accepts the content parameter, stores script markup without neutralizing sensitive characters, and renders it when the article is viewed. An administrator session is required to submit the edit, and script execution occurs only when a user later views the modified article.

CVSS severity2.4
Low
EPSS probability0.39%
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 DuxCMS 2.1 Article Handler allows remote authenticated users to execute JavaScript via article content. The edit endpoint accepts the content parameter, stores script markup without neutralizing sensitive characters, and renders it when the article is viewed. An administrator session is required to submit the edit, and script execution occurs only when a user later views the modified article.

The record

CVE
CVE-2020-36609
Published
Dec 8, 2022
Updated
Apr 15, 2025
Vendor
DuxCMS Project
Product
DuxCMS
Classifications
CWE-707, T1189
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Dec 8, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 15, 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=2.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

DuxCMS Project · DuxCMSversion=2.1

Published CVSS scores

2.4VulDBCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
5.4NVDCVSS:3.1/AV:N/AC:L/PR:L/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-707Improper Neutralization
T1189Drive-by Compromise

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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