CVE-2026-92806

HIGH 8.1

phpList before 3.6.17 Cross-Site Request Forgery via massremove.php

CVSS Score

8.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-352
Vendor	phplist
Product	phplist
Published	Sep 16, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

Affected Versions

phpList / phpList

0 < 3.6.17

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

George Chen