Tainacan <= 1.0.0 - Unauthenticated Information Exposure

5.3
Files or Directories Accessible to External Parties
CVE CVE-2025-12747
CVSS 5.3 (Medium)
Publicly Published November 20, 2025
Last Updated November 21, 2025
Researcher Deadbee - NA

Description

The Tainacan plugin for WordPress is vulnerable to Information Exposure in all versions up to, and including, 1.0.0 via uploaded files marked as private being exposed in wp-content without adequate protection. This makes it possible for unauthenticated attackers to extract potentially sensitive information from files that have been marked as private.

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Vulnerability Details for Tainacan

Software Type Plugin
Software Slug tainacan (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.0.1, or a newer patched version
Affected Version
  • <= 1.0.0
Patched Version
  • 1.0.1

Recent vulnerabilities in Tainacan

# Title CVE ID CVSS Researchers Date
1 Tainacan <= 1.0.3 - Unauthenticated SQL Injection via 'geoquery' REST API Parameter CVE-2026-6230 7.5 daroo July 7, 2026
2 Tainacan <= 1.0.3 - Unauthenticated SQL Injection CVE-2026-42740 7.5 hhhai May 28, 2026
3 Tainacan <= 1.0.1 - Missing Authorization to Unauthenticated Arbitrary Metadata Section Creation CVE-2025-14043 5.3 Deadbee December 20, 2025
4 Tainacan <= 1.0.0 - Reflected Cross-Site Scripting CVE-2025-12746 6.1 Deadbee November 20, 2025
5 Tainacan <= 0.21.14 - Unauthenticated Arbitrary File Deletion CVE-2025-47512 5.3 astra.r3verii May 16, 2025
6 Tainacan <= 0.21.12 - Authenticated (Subscriber+) SQL Injection CVE-2024-13236 6.5 Trương Hữu Phúc (truonghuuphuc) January 22, 2025
7 Tainacan <= 0.21.10 - Reflected Cross-Site Scripting CVE-2024-9221 6.1 Colin Xu October 10, 2024
8 Tainacan <= 0.21.8 - Authenticated (Subscriber+) SQL Injection CVE-2024-48040 6.5 Trương Hữu Phúc (truonghuuphuc) October 9, 2024
9 Tainacan <= 0.21.7 - Missing Authorization to Authenticated (Subscriber+) Arbitrary File Read CVE-2024-7135 6.5 1337_Wannabe July 30, 2024
10 Tainacan <= 0.21.3 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-34795 6.4 LVT-tholv2k May 20, 2024

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