CVE-2026-93767: fallo de gravedad media en Tainacan
Tainacan <= 1.3.0 - Authenticated (Subscriber+) Path Traversal to Arbitrary File Read via 'guid' Parameter
Publicada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
13Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 6.5epss 0.6%
The Tainacan plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 1.3.0 via the 'guid' parameter parameter. This makes it possible for authenticated attackers, with subscriber-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information. This vulnerability is exploitable only when the uploads/tainacan directory does not exist on the server, as this condition causes realpath() to return false, collapsing the base path to an empty string and rendering the containment check ineffective.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Productos afectados
tainacan · TainacanCVEs relacionadas — Tainacan
En el mismo producto, de las más peligrosas a las menos.
CVE-2024-7135MEDIUMTainacan <= 0.21.7 - Missing Authorization to Authenticated (Subscriber+) Arbitrary File ReadEPSS 2.7%CVE-2026-104743MEDIUMTainacan <= 1.3.0 - Authenticated (Editor+) Path Traversal to Arbitrary File Read via 'tmp_file' Parameter via Mass AssignmentEPSS 0.8%CVE-2025-47512HIGHWordPress Tainacan plugin <= 0.21.14 - Arbitrary File Deletion vulnerabilityEPSS 0.5%CVE-2024-48040HIGHWordPress Tainacan plugin <= 0.21.8 - SQL Injection vulnerabilityEPSS 0.5%CVE-2024-1435MEDIUMWordPress Tainacan plugin <= 0.20.6 - Sensitive Data Exposure via Log File vulnerabilityEPSS 0.5%CVE-2024-13236MEDIUMTainacan <= 0.21.12 - Authenticated (Subscriber+) SQL InjectionEPSS 0.5%
Referencias
https://plugins.trac.wordpress.org/browser/tainacan/tags/1.3.0/classes/api/endpoints/class-tainacan-rest-background-processes-controller.php#L147https://plugins.trac.wordpress.org/browser/tainacan/tags/1.3.0/classes/api/endpoints/class-tainacan-rest-background-processes-controller.php#L391https://plugins.trac.wordpress.org/browser/tainacan/tags/1.3.0/classes/api/endpoints/class-tainacan-rest-background-processes-controller.php#L393https://plugins.trac.wordpress.org/browser/tainacan/tags/1.3.0/classes/api/endpoints/class-tainacan-rest-background-processes-controller.php#L418https://plugins.trac.wordpress.org/changeset?reponame=&old=3733197%40tainacan&new=3733197%40tainacanhttps://www.wordfence.com/threat-intel/vulnerabilities/id/4ff75bf6-c8c3-43f5-bc71-0e54e892e664?source=cve