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CVE-2026-78088— Contest Gallery <= 32.0.1 - Unauthenticated Arbitrary File Upload via 'baseUrlForFacebook' Parameter

Quick assessment

Affected
contest-gallery Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 插件“The Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe”在 32.0.1 及以下的所有版本中存在未认证任意文件覆盖漏洞，原因是“baseUrlForFacebook”参数的文件路径验证不足。这使得拥有订阅者权限或更高权限的已认证攻击者能够覆盖已知文件，在满足特定前置条件的情况下，可能导致远程代码执行。

CVSS 8.8 · High
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I. Basic Information for CVE-2026-78088

Vulnerability Information
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Vulnerability Title
Contest Gallery <= 32.0.1 - Unauthenticated Arbitrary File Upload via 'baseUrlForFacebook' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe plugin for WordPress is vulnerable to Unauthenticated Arbitrary File Overwrite in all versions up to, and including, 32.0.1 due to insufficient file path validation in the 'baseUrlForFacebook' parameter. This makes it possible for authenticated attackers, with subscriber-level access and above, to overwrite known files which may lead to remote code execution when certain preconditions are met.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
contest-gallery Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe 0 ~ 32.0.1 -

II. Public POCs for CVE-2026-78088

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III. Intelligence Information for CVE-2026-78088

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Patches & Fixes for CVE-2026-78088 (1)

News Coverage for CVE-2026-78088 (1)

IV. Related Vulnerabilities

Same product: Contest Gallery – Upload & Vote Photos, Media, Sell with PayPal & Stripe
Same vendor: contest-gallery
Same weakness: CWE-434

V. Comments for CVE-2026-78088

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