High severity · published Sep 16, 2026
CVE-2026-92806
phpList before 3.6.17 Cross-Site Request Forgery via massremove.php
8.1
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
phpList · phpList
before 3.6.17 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-92806
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-92806
github.com
https://github.com/geo-chen/oss/blob/main/phplist3.md
github.com
https://github.com/phpList/phplist3
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
www.vulncheck.com
https://www.vulncheck.com/advisories/phplist-before-3.6.17-cross-site-request-forgery-via-massremove-php
More from phpList
9.8
CVE-2017-20032
A vulnerability was found in PHPList 3.2.6
9.8
CVE-2017-20029
A vulnerability was found in PHPList 3.2.6 and classified as critical
9.8
CVE-2020-22249
Remote Code Execution vulnerability in phplist 3.5.1
9.8
CVE-2020-23361
phpList 3.5.3 allows type juggling for login bypass because == is used instead of === for password hashes, which mishandles hashes that begin with 0e followed by exclusively…
9.8
CVE-2021-3188
phpList 3.6.0 allows CSV injection, related to the email parameter, and /lists/admin/ exports