CVE-2020-18413Public exploitNetwork attack vector

Stored script execution via unfiltered menu label

Published Jun 27, 2023 · Updated Dec 5, 2024

Stored XSS in Chaoji CMS 2.18 allows remote authenticated users to execute script in another user's browser through a crafted menu label. The navigation-menu add handler stores the menu_label parameter without filtering, causing submitted markup to be rendered as executable browser content. Administrator-panel access is required to plant the payload, and a second user must open the affected interface in a script-capable browser.

CVSS severity4.8
Medium
EPSS probability0.43%
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 Chaoji CMS 2.18 allows remote authenticated users to execute script in another user's browser through a crafted menu label. The navigation-menu add handler stores the menu_label parameter without filtering, causing submitted markup to be rendered as executable browser content. Administrator-panel access is required to plant the payload, and a second user must open the affected interface in a script-capable browser.

The record

CVE
CVE-2020-18413
Published
Jun 27, 2023
Updated
Dec 5, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jun 27, 2023CVE publishedPublication date reported by the CVE source.
  2. Dec 5, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.8NVDCVSS:3.1/AV:N/AC:L/PR:H/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

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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