The Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe plugin for WordPress is vulnerable to Second-Order SQL Injection via MultipleFiles Second-Order Payload via 'cg_multiple_files_for_post' -> 'cgRealId' in all versions up to, and including, 30.0.7 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with author-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
contest-gallery Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe unaffected
Version Status Constraints
0 affected ≤ 30.0.7

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://plugins.trac.wordpress.org/browser/contest-gallery/tags/30.0.6/ajax/ajax-functions-backend.php#L135 cve-icon
https://plugins.trac.wordpress.org/browser/contest-gallery/tags/30.0.6/ajax/ajax-functions-backend.php#L286 cve-icon
https://plugins.trac.wordpress.org/browser/contest-gallery/tags/30.0.6/ajax/ajax-functions-backend.php#L310 cve-icon
https://plugins.trac.wordpress.org/browser/contest-gallery/tags/30.0.6/v10/v10-admin/gallery/change-gallery/0_change-gallery.php#L475 cve-icon
https://plugins.trac.wordpress.org/browser/contest-gallery/tags/30.0.6/v10/v10-admin/gallery/change-gallery/0_change-gallery.php#L683 cve-icon
https://plugins.trac.wordpress.org/browser/contest-gallery/tags/30.0.7/ajax/ajax-functions-backend.php#L135 cve-icon
https://plugins.trac.wordpress.org/browser/contest-gallery/tags/30.0.7/ajax/ajax-functions-backend.php#L286 cve-icon
https://plugins.trac.wordpress.org/browser/contest-gallery/tags/30.0.7/ajax/ajax-functions-backend.php#L310 cve-icon
https://plugins.trac.wordpress.org/browser/contest-gallery/tags/30.0.7/v10/v10-admin/gallery/change-gallery/0_change-gallery.php#L475 cve-icon
https://plugins.trac.wordpress.org/browser/contest-gallery/tags/30.0.7/v10/v10-admin/gallery/change-gallery/0_change-gallery.php#L683 cve-icon
https://plugins.trac.wordpress.org/changeset?reponame=&old=3631928%40contest-gallery&new=3631928%40contest-gallery cve-icon
https://www.wordfence.com/threat-intel/vulnerabilities/id/294e1822-b92c-48a4-bfc6-5a89cfbe0bc7?source=cve cve-icon
History

Sat, 15 Aug 2026 03:45:00 +0000

Type Values Removed Values Added
Description The Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe plugin for WordPress is vulnerable to Second-Order SQL Injection via MultipleFiles Second-Order Payload via 'cg_multiple_files_for_post' -> 'cgRealId' in all versions up to, and including, 30.0.7 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with author-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
Title Contest Gallery <= 30.0.6 - Authenticated (Author+) Second-Order SQL Injection via MultipleFiles Second-Order Payload via 'cg_multiple_files_for_post' -> 'cgRealId'
Weaknesses CWE-89
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-08-15T03:25:57.860Z

Reserved: 2026-07-22T13:45:47.903Z

Link: CVE-2026-16586

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses