Description
e107 is a content management system (CMS). Prior to 2.3.7, the bundled alt_auth plugin's otherdb and e107db authentication backends interpolate the submitted login username directly into SQL in e107_plugins/alt_auth/otherdb_auth.php and e107_plugins/alt_auth/e107db_auth.php. The login() methods execute those strings with PDO::query() before effective sanitization, so an unauthenticated user can inject SQL when alt_auth is installed and either backend is configured with a live external database connection. The injection can expose or modify data available to the configured database account, and query failures can additionally disclose the generated query through the debug-message path. This issue is fixed in version 2.3.7.
Published: 2026-10-14
Score: 10 Critical
EPSS: n/a
KEV: No
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History

Wed, 14 Oct 2026 18:15:00 +0000

Type Values Removed Values Added
Description e107 is a content management system (CMS). Prior to 2.3.7, the bundled alt_auth plugin's otherdb and e107db authentication backends interpolate the submitted login username directly into SQL in e107_plugins/alt_auth/otherdb_auth.php and e107_plugins/alt_auth/e107db_auth.php. The login() methods execute those strings with PDO::query() before effective sanitization, so an unauthenticated user can inject SQL when alt_auth is installed and either backend is configured with a live external database connection. The injection can expose or modify data available to the configured database account, and query failures can additionally disclose the generated query through the debug-message path. This issue is fixed in version 2.3.7.
Title e107: SQL injection in alt_auth plugin (otherdb / e107db backends) via login username
Weaknesses CWE-89
References
Metrics cvssV3_1

{'score': 10, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-10-14T18:12:10.984Z

Reserved: 2026-06-16T23:11:20.214Z

Link: CVE-2026-55572

cve-icon Vulnrichment

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cve-icon NVD

Status : Received

Published: 2026-10-14T18:17:37.863

Modified: 2026-10-14T18:17:37.863

Link: CVE-2026-55572

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses