CVE-2017-20134Public exploitNetwork attack vector

Database disclosure via category.php UNION injection

Published Jul 16, 2022 · Updated Apr 15, 2025

SQL injection in iTechScripts Freelancer Script 5.13 allows remote attackers to read arbitrary database data through category.php. The category.php handler incorporates the sk GET parameter into a database query without neutralizing SQL syntax, enabling a 52-column UNION injection. The published request contains no authentication step, and successful exploitation discloses arbitrary database contents.

CVSS severity6.3
Medium
EPSS probability0.87%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in iTechScripts Freelancer Script 5.13 allows remote attackers to read arbitrary database data through category.php. The category.php handler incorporates the sk GET parameter into a database query without neutralizing SQL syntax, enabling a 52-column UNION injection. The published request contains no authentication step, and successful exploitation discloses arbitrary database contents.

The record

CVE
CVE-2017-20134
Published
Jul 16, 2022
Updated
Apr 15, 2025
Vendor
iTechScripts
Product
Freelancer Script
Classifications
CWE-89, T1190
Attack vector
network
Privileges
Unavailable

Timeline

How it unfolded

  1. Jul 16, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 15, 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?

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  1. Affected versionversion=5.13

What conditions does exploitation require?

Attack vectornetwork
Required privilegesUnavailable in this record.

What is affected?

iTechScripts · Freelancer Scriptversion=5.13

Published CVSS scores

6.3VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

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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
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
T1190Exploit Public-Facing Application

Public exploit references

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Technologies

Your stack

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Your stack

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