CVE-2023-6163Public exploitNetwork attack vector

Stored XSS via unescaped plugin settings

Published Jan 15, 2024 · Updated Jun 9, 2025

Stored XSS in Themeum WP Crowdfunding before 2.1.10 allows remote authenticated users to execute script through crafted settings. The Submit Form Agree Title and registration-success Redirect URL settings store crafted attribute content without sanitization or output escaping. Administrator privileges are required, and execution occurs when a user reloads a page rendering the saved setting, enabling browser-context data access or actions.

CVSS severity4.8
Medium
EPSS probability0.40%
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 Themeum WP Crowdfunding before 2.1.10 allows remote authenticated users to execute script through crafted settings. The Submit Form Agree Title and registration-success Redirect URL settings store crafted attribute content without sanitization or output escaping. Administrator privileges are required, and execution occurs when a user reloads a page rendering the saved setting, enabling browser-context data access or actions.

The record

CVE
CVE-2023-6163
Published
Jan 15, 2024
Updated
Jun 9, 2025
Vendor
Themeum
Product
WP Crowdfunding
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 15, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 9, 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=0 <2.1.10

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Themeum · WP Crowdfundingversion=0 <2.1.10

Published CVSS scores

4.8CISA-ADPCVSS: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.

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-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript/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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