CVE-2023-25028Network attack vector

Stored XSS via unsanitized plugin settings

Published May 24, 2023 · Updated Apr 28, 2026

Stored XSS in Chuyencode CC Custom Taxonomy 1.0.1 and earlier allows remote authenticated users to inject scripts through plugin settings. The plugin stores settings without sufficient input sanitization and renders them without output escaping; public sources do not identify the affected setting or code path. Administrative privileges are required, and execution occurs in a victim browser only on multisite installations or where unfiltered_html is disabled.

CVSS severity5.9
Medium
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 XSS in Chuyencode CC Custom Taxonomy 1.0.1 and earlier allows remote authenticated users to inject scripts through plugin settings. The plugin stores settings without sufficient input sanitization and renders them without output escaping; public sources do not identify the affected setting or code path. Administrative privileges are required, and execution occurs in a victim browser only on multisite installations or where unfiltered_html is disabled.

The record

CVE
CVE-2023-25028
Published
May 24, 2023
Updated
Apr 28, 2026
Vendor
Chuyencode
Product
CC Custom Taxonomy
Classifications
CWE-79, CAPEC-592, T1189
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 24, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record 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=n/a <=1.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Chuyencode · CC Custom Taxonomyversion=n/a <=1.0.1

Published CVSS scores

5.9PatchstackCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-592Stored XSS
T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

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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