The Contest Gallery plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 28.0.2. This is due to the plugin registering the `cg_check_wp_admin_upload_v10` AJAX action for both authenticated and unauthenticated users without implementing capability checks or nonce verification. This makes it possible for unauthenticated attackers to inject arbitrary WordPress media attachments into galleries and manipulate gallery metadata via the `cg_check_wp_admin_upload_v10` action. It does not enable an attacker to move or upload files.
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Affected Vendors & Products
Advisories
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Fixes
Solution
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Workaround
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References
History
Sat, 15 Nov 2025 07:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The Contest Gallery plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 28.0.2. This is due to the plugin registering the `cg_check_wp_admin_upload_v10` AJAX action for both authenticated and unauthenticated users without implementing capability checks or nonce verification. This makes it possible for unauthenticated attackers to inject arbitrary WordPress media attachments into galleries and manipulate gallery metadata via the `cg_check_wp_admin_upload_v10` action. It does not enable an attacker to move or upload files. | |
| Title | Contest Gallery <= 28.0.2 - Missing Authorization | |
| Weaknesses | CWE-862 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: Wordfence
Published:
Updated: 2025-11-15T06:41:31.470Z
Reserved: 2025-11-06T21:38:51.157Z
Link: CVE-2025-12849
No data.
Status : Received
Published: 2025-11-15T07:15:42.640
Modified: 2025-11-15T07:15:42.640
Link: CVE-2025-12849
No data.
OpenCVE Enrichment
No data.