CVE-2026-92806

High

Description

phpList versions before 3.6.17 fail to validate cross-site request forgery tokens in the mass subscriber removal form handler. Attackers can induce logged-in administrators to visit crafted pages that silently delete and blacklist arbitrary subscriber addresses without authentication verification.

SeverityHigh

CVSS8.1

Exploit probability—

ProductphpList

PublishedSep 16, 2026

First seenSep 16, 2026

Weakness typeCWE-352Cross-site request forgery (CSRF)

How to fix

Update

phpList phpList3.6.17 or later

Patches

github.com/phpList/phplist3/blob/v3.6.17/public_html/lists/admin/massremove.php#L10

Affected products

Product	Affected versions	Fixed in
phpList phpList	v < 3.6.17	3.6.17

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