Threat intelligence

Contest Gallery <= 30.0.6 - Authenticated (Author+) Second-Order SQL Injection via MultipleFiles Second-Order Payload via 'cg_multiple_files_for_post' -> 'cgRealId'

CVE-2026-16586 · contest-gallery

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Contest Gallery at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Contest Gallery <= 30.0.6 - Authenticated (Author+) Second-Order SQL Injection via MultipleFiles Second-Order Payload via 'cg_multiple_files_for_post' -> 'cgRealId'
Affected software: contest-gallery(Plugin)
Affected versions: ≤ 30.0.7
Authentication: Authenticated (see advisory title)
Vulnerability type: SQL injection
CVE: CVE-2026-16586
Published: 14 August 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to read or modify database contents beyond intended access.
Source: Data imported from Wordfence Intelligence (advisory 294e1822-b92c-48a4-bfc6-5a89cfbe0bc7). Methodology and redistribution notes

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