CVE-2024-56517Public exploitNetwork attack vector

Reflected XSS via unencoded Referer attribute

Published Dec 30, 2024 · Updated Dec 30, 2024

Reflected XSS in tltneon LGSL (Live Game Server List) 6.2.1 and earlier allows remote attackers to execute JavaScript via a crafted Referer header. When the preloader is enabled, lgsl_files/lgsl_list.php assigns HTTP_REFERER directly to $uri and emits it in an HTML attribute without encoding. Exploitation requires a user to load or reload the affected response; the injected script runs within the LGSL browser origin and can read or alter page data available there.

CVSS severity5.3
Medium
EPSS probability0.62%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in tltneon LGSL (Live Game Server List) 6.2.1 and earlier allows remote attackers to execute JavaScript via a crafted Referer header. When the preloader is enabled, lgsl_files/lgsl_list.php assigns HTTP_REFERER directly to $uri and emits it in an HTML attribute without encoding. Exploitation requires a user to load or reload the affected response; the injected script runs within the LGSL browser origin and can read or alter page data available there.

The record

CVE
CVE-2024-56517
Published
Dec 30, 2024
Updated
Dec 30, 2024
Vendor
tltneon
Product
LGSL (Live Game Server List)
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 30, 2024CVE publishedPublication date reported by the CVE source.
  2. Dec 30, 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?

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

  1. Affected versionversion=<= 6.2.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

tltneon · LGSL (Live Game Server List)version=<= 6.2.1

Published CVSS scores

5.3GitHub, Inc.CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA: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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
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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