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CVE-2026-8705

HIGH 7.5 CVSS 3.1
Published
June 24, 2026
Last modified
June 25, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-89
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

The ClearSale Total plugin for WordPress is vulnerable to SQL Injection via the `pagseguro[metodo]` POST parameter of the `clearsale_total_push` AJAX action in all versions up to, and including, 3.4.2. The handler is registered for unauthenticated users (`wp_ajax_nopriv_clearsale_total_push`), and although a `wp_verify_nonce()` check exists, the failing branch's `die()` is commented out so execution continues regardless of nonce validity. On PHP < 8.0 the attacker-supplied `$metodo` value bypasses the `switch ($metodo) { case 4: ... }` guard via loose type juggling (the string `"4 AND SLEEP(5)"` compares equal to integer `4`), reaching an unquoted `UPDATE wp_cs_total_dadosextras SET metodo=$metodo, ...` query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. Exploitation requires the target server to be running PHP < 8.0.

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

  • clearsale ClearSale Total — Version <= 3.4.2

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/clearsale-total/tags/3.3.2/includes/class-clearsale-total-ajax.php#L325
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/clearsale-total/tags/3.4.2/includes/class-clearsale-total-ajax.php#L327
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/clearsale-total/trunk/includes/class-clearsale-total-ajax.php#L172
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/clearsale-total/trunk/includes/class-clearsale-total-ajax.php#L327
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/clearsale-total/trunk/includes/class-clearsale-total.php#L326
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/871f6611-3b5e-4e36-992c-726b31e88c95?source=cve
  • nvd.nist.gov Official NVD record