Cross-Site Request Forgery Vulnerability in phpList
CVE-2026-73482

7.2HIGH

Key Information:

Vendor

PHPlist

Status
PHPlist3
Vendor
CVE Published:
13 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-73482?

A CSRF vulnerability exists in phpList versions prior to 3.7.0-RC5, specifically affecting the lists/admin/admins.php file. This vulnerability allows an attacker to exploit the admin deletion functionality without needing authentication. Through maliciously crafted links, an attacker can trick a logged-in super-administrator into executing a deletion request for any non-self administrator account, resulting in unauthorized removal of administrator profiles.

Affected Version(s)

phplist3 0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-73482 - Proof of Concept

References

https://github.com/phpList/phplist3/issues/1117
technical-descriptionexploit
https://github.com/phpList/phplist3/releases/tag/v3.7.0-RC5
release-notes
https://github.com/phpList/phplist3/pull/1121
issue-tracking

CVSS V4

Score:
7.2
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

George Chen
.