Contest Gallery <= 21.3.5 - Reflected Cross-Site Scripting

6.1
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2024-30428
CVSS 6.1 (Medium)
Publicly Published March 28, 2024
Last Updated April 3, 2024
Researcher Dimas Maulana

Description

The Contest Gallery plugin for WordPress is vulnerable to Reflected Cross-Site Scripting in versions up to, and including, 21.3.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

References

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Vulnerability Details for Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe

Software Type Plugin
Software Slug contest-gallery (view on wordpress.org)
Patched? Yes
Remediation Update to version 21.3.6, or a newer patched version
Affected Version
  • <= 21.3.5
Patched Version
  • 21.3.6

Recent vulnerabilities in Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe

# Title CVE ID CVSS Researchers Date
1 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 6.5 Wordfence PRISM August 14, 2026
2 Contest Gallery <= 30.0.6 - Missing Authorization CVE-2026-16056 4.3 Meher Sudhakar Abbireddi July 27, 2026
3 Contest Gallery <= 30.0.6 - Unauthenticated Stored Cross-Site Scripting CVE-2026-65447 7.2 Jayant Kamble July 27, 2026
4 Contest Gallery <= 30.0.6 - Missing Authorization CVE-2026-16057 4.3 Sai Praneeth Koti July 23, 2026
5 Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe <= 30.0.0 - Authenticated (Contributor+) SQL Injection CVE-2026-57662 6.5 Trương Hữu Phúc (truonghuuphuc) June 26, 2026
6 Contest Gallery <= 30.0.2 - Authenticated (Author+) Privilege Escalation via 'RegistryUserRole' Parameter CVE-2026-12165 8.8 Chloe Chamberland, Wordfence PRISM June 16, 2026
7 Contest Gallery <= 28.1.6 - Unauthenticated SQL Injection CVE-2026-8912 7.5 Leonid Semenenko (lsemenenko) May 18, 2026
8 Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe <= 28.1.7 - Authenticated (Subscriber+) Sensitive Information Exposure CVE-2026-42660 4.3 Jakub Herman April 29, 2026
9 Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe <= 28.1.6 - Authenticated (Subscriber+) Stored Cross-Site Scripting CVE-2026-42656 6.4 endy April 29, 2026
10 Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe <= 28.1.7 - Missing Authorization CVE-2026-42657 5.3 endy April 29, 2026

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