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CVE-2026-8912— Contest Gallery <= 28.1.6 未授权SQL注入漏洞

CVSS 7.5 · High
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一、 漏洞 CVE-2026-8912 基础信息

漏洞信息
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Vulnerability Title
Contest Gallery <= 28.1.6 - Unauthenticated SQL Injection
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
The Contest Gallery plugin for WordPress is vulnerable to SQL Injection via the 'form_input' parameter in versions up to, and including, 28.1.6. This is due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query inside the unauthenticated 'post_cg_gallery_form_upload' AJAX action (specifically the 'cb' branch of the included users-upload-check.php, where $f_input_id is concatenated unquoted into 'SELECT Field_Content FROM ... WHERE id = $f_input_id'). The endpoint is gated only by a public frontend nonce ('cg1l_action' / 'cg_nonce') that is exposed in the page source of any public gallery page. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
来源: 美国国家漏洞数据库 NVD
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
来源: 美国国家漏洞数据库 NVD

受影响产品

厂商产品影响版本CPE订阅
contest-galleryContest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe 0 ~ 28.1.6 -

二、漏洞 CVE-2026-8912 的公开POC

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三、漏洞 CVE-2026-8912 的情报信息

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IV. Related Vulnerabilities

Same product: Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe
Same vendor: contest-gallery
Same weakness: CWE-89

V. Comments for CVE-2026-8912

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