CVE-2024-1111Public exploitNetwork attack vector

Cross-site scripting via unsanitized qr-code parameter

Published Jan 31, 2024 · Updated May 29, 2025

Cross-site scripting in SourceCodester QR Code Login System 1.0 allows remote attackers to alter rendered content via qr-code input. The add-user.php handler places attacker-controlled qr-code input into generated page output without effective neutralization. Successful exploitation requires victim interaction and permits script execution in that user's browser context.

CVSS severity4.3
Medium
EPSS probability0.41%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in SourceCodester QR Code Login System 1.0 allows remote attackers to alter rendered content via qr-code input. The add-user.php handler places attacker-controlled qr-code input into generated page output without effective neutralization. Successful exploitation requires victim interaction and permits script execution in that user's browser context.

The record

CVE
CVE-2024-1111
Published
Jan 31, 2024
Updated
May 29, 2025
Vendor
Online Computer and Laptop Store Project
Product
QR Code Login System Using PHP and MySQL
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 31, 2024CVE publishedPublication date reported by the CVE source.
  2. May 29, 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=1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Online Computer and Laptop Store Project · QR Code Login System Using PHP and MySQLversion=1.0

Published CVSS scores

4.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
4.3VulDBCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
5.0VulDBAV:N/AC:L/Au:N/C:N/I:P/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 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')
T1059.007JavaScript/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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