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CVE-2026-15281

MEDIUM 6.5 CVSS 3.1
Published
August 5, 2026
Last modified
August 12, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-89
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Description

The User Access Manager plugin for WordPress is vulnerable to Second-Order SQL Injection via the 'id' parameter of the wp_ajax_save-attachment-compat AJAX action in versions up to, and including, 2.3.12. This is due to insufficient validation on the objectId value stored in the saveAjaxAttachmentData() function and subsequent unparameterized concatenation in the addQueryExcludedPostFilter() function — the stored value is later retrieved from the database and used as an array key, then directly imploded into a SQL NOT IN() clause without integer casting or prepared statements. This makes it possible for authenticated attackers, with subscriber-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • gm_alex User Access Manager — Up to and including 2.3.12

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/user-access-manager/tags/2.3.12/src/Controller/Backend/PostObjectController.php#L103
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/user-access-manager/tags/2.3.12/src/Controller/Frontend/PostController.php#L275
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/user-access-manager/tags/2.3.12/src/UserGroup/AbstractUserGroup.php#L147
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/user-access-manager/tags/2.3.12/src/UserGroup/AbstractUserGroup.php#L253
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3607011%40user-access-manager%2Ftrunk%2Fsrc%2FController%2FFrontend%2FPostController.php&old=3447009%40user-access-manager%2Ftrunk%2Fsrc%2FController%2FFrontend%2FPostController.php&sfp_email=&sfph_mail=
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/8ebfc52b-278c-49d5-9226-d28a59335d46?source=cve
  • nvd.nist.gov Official NVD record