CVE-2026-92806

EUVD-2026-81066
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.
CSRF
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
8.1 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
phplistphplist
𝑥
< 3.6.17
CNA
Common Weakness Enumeration
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