---
id: CVE-2026-92806
title: >-
  phpList versions before 3.6.17 fail to validate cross-site request forgery
  tokens in the mass subscriber removal form handler
summary: >-
  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 arbitr…
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H'
cwe:
  - CWE-352
vendor: phpList
product: phpList
affected:
  - phpList < 3.6.17
published: '2026-09-16'
updated: '2026-09-22'
sourceUpdated: '2026-09-22T20:43:58.793'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-92806'
references:
  - url: 'https://github.com/geo-chen/oss/blob/main/phplist3.md'
    label: disclosure@vulncheck.com
  - url: 'https://github.com/phpList/phplist3'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/phpList/phplist3/blob/v3.6.16/public_html/lists/admin/massremove.php#L13-L24
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/phpList/phplist3/blob/v3.6.17/public_html/lists/admin/massremove.php#L10
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/phplist-before-3.6.17-cross-site-request-forgery-via-massremove-php
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00262
epssPercentile: 0.16105
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-17T13:43:12.243217Z'
ingestedAt: '2026-09-16T21:05:36.883Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.