Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2017-20259

CVE-2017-20259HIGH

Joomlashack OSDownloads — Joomla OSDownloads 1.7.4 SQL Injection via item view

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   N   H   L   N    8.8   .0049   40.1     —

AFFECTED
  Product      Versions  Fixed
  OSDownloads  1.7.4 –   —

TIMELINE
  Jun 19  Reserved by VulnCheck
  Jun 19  Published (CNA: VulnCheck)
  Aug 19  EXPLOIT PUBLISHED — CVE-2017-20259 (Joomlashack OSDownloads). Public exploit reference added.

CWE-89 · CNA: VulnCheck · CVSS v4.0 · 4 references · NVD status: Analyzed

Description

Joomla OSDownloads 1.7.4 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the id parameter. Attackers can send GET requests to index.php with option=com_osdownloads&view=item&id=[SQL] to extract sensitive database information including credentials and configuration data.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
June 19, 2026	Reserved	Reserved by VulnCheck
June 19, 2026	Published	Published (CNA: VulnCheck)
August 19, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2017-20259 (Joomlashack OSDownloads). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Joomlashack	OSDownloads	—	1.7.4	—

Weaknesses

CWE-89

References (4)

https://extensions.joomla.org/extensions/extension/directory-a-documentation/downloads/osdownloads/ [product]
https://joomlashack.com/ [product]
https://www.exploit-db.com/exploits/42561 [exploit]
https://www.vulncheck.com/advisories/joomla-osdownloads-sql-injection-via-item-view [third-party-advisory]

Authoritative record: CVE-2017-20259 at cve.org

Vendors: joomlashack

Weaknesses: CWE-89

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2017-20259 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.