CVE-2023-2223Public exploitNetwork attack vector

Stored XSS via unescaped login file keyword

Published May 30, 2023 · Updated Feb 13, 2025

Stored XSS in 12Net Corporation Login rebuilder before 2.8.1 allows remote authenticated users to execute scripts via a login file keyword. The settings page stores the Login file keyword without sanitization and later renders it without output escaping. Administrator privileges and a multisite installation or disabled unfiltered_html capability are required; injected JavaScript runs when a user opens the affected page.

CVSS severity4.8
Medium
EPSS probability0.55%
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 12Net Corporation Login rebuilder before 2.8.1 allows remote authenticated users to execute scripts via a login file keyword. The settings page stores the Login file keyword without sanitization and later renders it without output escaping. Administrator privileges and a multisite installation or disabled unfiltered_html capability are required; injected JavaScript runs when a user opens the affected page.

The record

CVE
CVE-2023-2223
Published
May 30, 2023
Updated
Feb 13, 2025
Vendor
12Net Corporation
Product
Login rebuilder
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. May 30, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 13, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <2.8.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

12Net Corporation · Login rebuilderversion=0 <2.8.1

Published CVSS scores

4.4WordfenceCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
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.

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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