What’s Vulnerable › Vulnerabilities

CVE-2026-92806: phpList before 3.6.17 Cross-Site Request Forgery via massremove.php

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-16 · updated 2026-09-22
• Weakness: CWE-352

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.

Affected products

• PHPList: before 3.6.17 — fixed in 3.6.17

How to fix

Upgrade to a fixed version: PHPList 3.6.17. Check the vendor advisory for mitigations.

References

• https://github.com/geo-chen/oss/blob/main/phplist3.md
• https://github.com/phpList/phplist3
• https://github.com/phpList/phplist3/blob/v3.6.16/public_html/lists/admin/massremove.php#L13-L24
• https://github.com/phpList/phplist3/blob/v3.6.17/public_html/lists/admin/massremove.php#L10
• https://www.vulncheck.com/advisories/phplist-before-3.6.17-cross-site-request-forgery-via-massremove-php

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