CVE-2025-9632: PhpList Subber <= 1.1 - Cross-Site Request Forgery

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-09-11 · updated 2026-06-17
Weakness: CWE-352

Description

The PhpList Subber plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.1. This is due to missing or incorrect nonce validation on the bulk_action_handler function. This makes it possible for unauthenticated attackers to trigger bulk synchronization of subscription forms via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Affected products

vinzzb PhpList Subber: through 1.1

References

https://plugins.trac.wordpress.org/browser/phpls/tags/1.1/admin/init.php#L45
https://plugins.trac.wordpress.org/browser/phpls/tags/1.1/admin/init.php#L60
https://www.wordfence.com/threat-intel/vulnerabilities/id/e8113238-5208-42cd-aed6-7ec61c3ced85?source=cve

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