PatchSiren

PatchSiren cyber security CVE debrief

CVE-2017-20259 Joomlashack CVE debrief

CVE-2017-20259 is a high-severity SQL injection vulnerability in Joomla OSDownloads 1.7.4. Attackers can inject malicious SQL code through the id parameter in GET requests to index.php with option=com_osdownloads&view=item&id=[SQL]. This allows extraction of sensitive database information, including credentials and configuration data. Defenders should prioritize patching or mitigating this vulnerability to prevent potential data breaches. The vulnerability has a CVSS score of 8.8 and is considered high severity.

Vendor
Joomlashack
Product
OSDownloads
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-19
Original CVE updated
2026-08-19
Advisory published
2026-06-19
Advisory updated
2026-08-19

Who should care

Administrators and security teams responsible for Joomla installations, particularly those using OSDownloads 1.7.4, should prioritize patching or mitigating this vulnerability. Additionally, security teams monitoring for potential data breaches and threat actors exploiting SQL injection vulnerabilities should be aware of this issue.

Technical summary

CVE-2017-20259 is an SQL injection vulnerability in Joomla OSDownloads 1.7.4. The vulnerability allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the id parameter in GET requests to index.php with option=com_osdownloads&view=item&id=[SQL]. This can lead to the extraction of sensitive database information, including credentials and configuration data. The vulnerability has a CVSS score of 8.8 and is considered high severity.

Defensive priority

High priority due to high CVSS score and potential for data breaches

Recommended defensive actions

  • Apply the latest patch or update for Joomla OSDownloads to version 1.7.5 or later
  • Limit exposure by restricting access to the affected component or parameter
  • Monitor for suspicious activity and potential exploitation attempts
  • Review and update database credentials and configuration data
  • Implement additional security measures, such as web application firewalls or intrusion detection systems

Evidence notes

The vulnerability is confirmed by multiple sources, including the CVE record and NVD detail. The CVE-2017-20259 record provides an official description of the vulnerability, while the NVD detail offers additional information on the CVSS score and vector. The source item URL provides further context on the vulnerability, including references to exploit databases and advisory sources.

Sources and references

Verified primary and authoritative sources

  • CVE-2017-20259 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2017-20259

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2017-20259 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2017-20259

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.